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Kabushiki Kaisha Riken patents


Recent patent applications related to Kabushiki Kaisha Riken. Kabushiki Kaisha Riken is listed as an Agent/Assignee. Note: Kabushiki Kaisha Riken may have other listings under different names/spellings. We're not affiliated with Kabushiki Kaisha Riken, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kabushiki Kaisha Riken-related inventors


 new patent  Method and apparatus for detecting cell reprogramming

Disclosed herein are methods for identifying cells undergoing reprogramming and reprogrammed cells from a fluorescence microscopic image of one or more cells. According to some embodiments, the method includes an image processing step, a cell detection step, and, optionally, a clustering step.. ... Kabushiki Kaisha Riken

Piston ring and its production method

To provide a piston ring free from microwelding to a piston while exhibiting excellent wear resistance in side surfaces, for a long period of use in a high-temperature, high-pressure environment, and its production method, a nitride layer is formed on at least one of upper and lower side surfaces of the piston ring, and then subjected to a phosphate chemical conversion treatment, such that the nitride layer has at least one of granular and vermicular surface forms.. . ... Kabushiki Kaisha Riken

Structure for use in infrared spectroscopy and infrared spectroscopy method using same

. . In an embodiment of the present disclosure, a structure comprising an infrared ray absorption surface is provided for use in infrared spectroscopy, and the infrared ray absorption surface absorbs infrared rays in a detection wavelength range that covers the response wavelengths of a substance to be detected. The structure comprises, for example, a metal substrate having a metal surface, metal components arranged at positions facing the metal surface, and a support part that supports each of the metal components relative to the metal surface, and a resonator for the infrared ray absorption surface is formed by the metal substrate, the metal components and the support parts. ... Kabushiki Kaisha Riken

Cell for immunotherapy, including modified nucleic acid construct encoding wilms tumor gene product

A cell for immunotherapy of the present invention includes a nucleic acid encoding a wilms tumor 1 gene product or a fragment of the wilms tumor 1 gene product, wherein the nucleic acid including (i) a region encoding a fragment of the wilms tumor 1 gene product, the fragment being indicated by positions 194 to 493 of amino acid sequence of seq id no:1 or by positions corresponding to the positions 194 to 493 of amino acid sequence corresponding to seq id no:1 and (ii) only one aug as a functional start codon, connected to a 5′ terminal side of the region via 3m (m is 124-192) bases intervening between the aug as the functional start codon and the 5′ terminal side of the region, and a nucleic acid encoding cd1d, wherein the cell has been loaded with a glycolipid recognized by antigen receptor of nkt cell.. . ... Kabushiki Kaisha Riken

Sliding member and piston ring

Provided is a sliding member capable of achieving excellent wear resistance and high coating adhesion under harsh sliding conditions without subjecting a base member to nitriding treatment. The sliding member includes a base member made of a steel material and a hard coating that is formed on the base member and having a surface serving at least as a sliding surface. ... Kabushiki Kaisha Riken

Piston ring for combustion engine

Provided is a piston ring for an internal combustion engine that enables size reduction of a chamfered edge without leading to the chipping, and sufficient size reduction of a flow passage of a blow-by gas in a piston ring gap, thus effectively restraining the blow-by gas from passing through the piston ring gap. A piston ring 1 with a piston ring gap 2 used for an internal combustion engine includes a chamfered edge 3 continuous to at least one of piston ring end faces at the piston ring gap 2 and an outer peripheral surface 1a of the piston ring 1. ... Kabushiki Kaisha Riken

Albumin-sugar chain complex

An object of the present invention is to provide an albumin-sugar chain complex bound with a number of sugar chains sufficient for obtaining a sugar chain clustering effect while also being able to exist comparatively stably in the body. The present invention provides an albumin-sugar chain complex having five or more molecules of an asparagine-linked sugar chain bound per molecule of albumin; a carrier for selectively delivering a functional molecule to a target tissue in the body that contains the aforementioned albumin-sugar chain complex; and a bioimaging probe having the aforementioned albumin-sugar chain complex as an active ingredient thereof that is administered into the body of an animal.. ... Kabushiki Kaisha Riken

Method for rendering biological material transparent and processing kit for rendering biological material transparent

. . A method according to the present invention for making a biological material transparent, includes the step of: making the biological material transparent by causing a solution containing fructose to permeate into the biological material, and a kit according to the present invention for a clearing treatment for making a biological material transparent, includes a solution containing fructose.. . ... Kabushiki Kaisha Riken

Electronic device, topological insulator, fabrication method of topological insulator and memory device

. . An electronic device is provided, including: a first drive electrode; a second drive electrode that is spaced apart from the first drive electrode; and a topological insulator that contacts both of the first drive electrode and the second drive electrode and has magnetism, wherein the topological insulator includes a first region having a first coercivity and a second region having a second coercivity that is different from the first coercivity. A fabrication method of a topological insulator is also provided, including: preparing a topological insulator having magnetism and a first coercivity; and forming a second region having a second coercivity that is different from the first coercivity by irradiating a partial region of the topological insulator with ions.. ... Kabushiki Kaisha Riken

Device for measuring rotation of spherical body, measurement method, and program

A measuring device 101 measures the spin of a spherical body. A templater 102 acquires a template image in which the spherical body is captured from a video in which the spherical body is captured or a photographic image in which the spherical body is captured under photographing conditions comparable to the vireo. ... Kabushiki Kaisha Riken

Adhesive resin compositions and laminates using the same

Provided is adhesive resin compositions comprising (a) 30 to 70% by mass of an acid-modified polypropylene-based resin; (b) 20 to 60% by mass of a polypropylene-based resin; and (c) 2 to 20% by mass of a copolymer of ethylene and one or more kinds of comonomers selected from the group consisting of vinyl acetate, alkyl methacrylate, and alkyl acrylate, with the proviso that the sum of the percentages of the above component (a), the above component (b), and the above component (c) is 100% by mass.. . ... Kabushiki Kaisha Riken

Reinforcing tape and flexible flat cable using the same

The present invention provides: a reinforcing tape which has an excellent conductor-adhesive property and can prevent troubles such as a peeling from a conductor when terminals of the conductor are processed by gold plating or the like, and a flexible flat cable using the same. A flexible flat cable reinforcing tape comprising: an insulating film (a); a layer of an anchor coat (b) having a thickness of 5 to 50 μm on one side of the insulating film (a); and a layer of a hot-melt adhesive (c) having a thickness of 10 to 30 μm in the order thereof.. ... Kabushiki Kaisha Riken

Composition for the control of grapevine esca disease, black dead arm disease, and/or eutypa dieback disease

Provided is a composition for controlling at least one disease selected from grapevine esca disease, black dead arm, and eutypa dieback disease, the composition containing at least one selected from the group consisting of alkali metal carbonates and alkali metal hydrogen carbonates as an active ingredient.. . ... Kabushiki Kaisha Riken

Power fluctuation mitigation system

A power fluctuation mitigation system for use in a power supply system that supplies ac power to a load includes an inverter unit including a first converter connected to an ac power supply to perform dc/ac conversion, a dc intermediate condenser, and an inverter connected to the first converter through the dc intermediate condenser to perform dc/ac conversion, and a power fluctuation mitigating device including a second converter connected to the ac power supply to perform ac/dc conversion, a capacitive storage device configured to be charged by an output of the second converter, and a charging unit to charge the dc intermediate condenser with power stored in the capacitive storage device, wherein the charging unit supplies power from the capacitive storage device to the dc intermediate condenser upon occurrence of fluctuation in an output of the inverter unit occurring in response to fluctuation in the load.. . ... Kabushiki Kaisha Riken

05/03/18 / #20180120551

Microscope, focusing unit, fluid holding unit, and optical unit

A microscope includes: a sample placement part having a placement surface on which to place a sample and a bottom face opposite to the placement surface; an observation lens; and an optical unit for generating sheet light and use of the microscope. The microscope of an embodiment is arranged such that the sheet light enters the sample placement part from the bottom face and passing through the sample placement part to irradiate the sample, and fluorescence from the sample passes through the sample placement part toward the bottom face to be received by the observation lens. ... Kabushiki Kaisha Riken

05/03/18 / #20180117889

Thermoplastic resin compositions, adhesive coating materials, and laminates using the same

Provided is a thermoplastic resin composition or an adhesive coating material capable of adhering a cyclic polyolefin-based polymer with a metal or metal compound such as aluminum foil or an ethylene-vinyl alcohol copolymer with sufficient strength. The thermoplastic resin composition contains (a) 100 parts by mass of thermoplastic resin; (b) 0.05 to 5 parts by mass of one or more kinds selected from the group consisting of an unsaturated carboxylic acid and an unsaturated carboxylic acid derivative; and (c) 0.01 to 3 parts by mass of organic peroxide; which component (a) contains (a1) 10 to 90% by mass cyclic polyolefin-based polymer; and (a2) 90 to 10% by mass a hydrogenated product of a block copolymer comprising a polymer block composed mainly of an aromatic vinyl compound and a random copolymer block of a conjugated diene compound and an aromatic vinyl compound (with the proviso that the total of the component (a1) and the component (a2) is 100% by mass).. ... Kabushiki Kaisha Riken

04/19/18 / #20180106745

Gas sensor

Disclosed is a gas sensor having high detection sensitivity, capable of detecting a gas at a low concentration and achieving lower power consumption. In the gas sensor including a gas detection element disposed on a thin-film insulator layer, the gas detection element includes: a heater layer provided on the thin-film insulator layer; and a gas detection layer having a thin-film thermistor part and an electrode part in contact with the thin-film, thermistor part, the gas detection layer being provided on the heater layer so as to be electrically insulated from the heater layer. ... Kabushiki Kaisha Riken

04/19/18 / #20180105660

Molded article, film, and method for preventing thermal deformation

An object of the present invention is to provide a method for preventing a thermal deformation of a molded article and a film produced by molding a structural protein, and the molded article and film prevented from thermal deformation. The thermal deformation of the molded article which is produced by molding the structural protein and has a birefringence of 1.0×10−5 to 10.0×10−5 can be prevented by keeping a water content of the molded article within a range from 0 to 8.5% by mass.. ... Kabushiki Kaisha Riken

04/19/18 / #20180104226

Anti-malarial agent

The invention aims to prevent and/or treat malaria using an antimalarial drug comprising, as an active ingredient, a metal chelator represented by the following formula (i), (iii), (iv), (v), (vi), or (vii), such as tris(2-pyridylmethyl)amine.. . ... Kabushiki Kaisha Riken

04/12/18 / #20180102195

Charge stripping film for charge stripping device of ion beam

. . A charge stripping film for a charge stripping device of ion beam is a carbon film produced by annealing a polymer film, and has a film thickness of 10 μm to 150 μm, an area of at least 4 cm2, and an atomic concentration of carbon of at least 97%. A charge stripping film for a charge stripping device of ion beam is a carbon film having a thermal conductivity in a film surface direction at 25° c. ... Kabushiki Kaisha Riken

04/05/18 / #20180094726

Combined oil control ring

To provide a combined oil control ring comprising a pair of upper and lower side rails and an axially corrugated spacer expander having upper and lower portions for automobile engines, which is capable of keeping an excellent oil-controlling function without sticking between a spacer expander and side rails even in a long period of engine operation, the upper and lower portions of the spacer expander have tabs pushing inner peripheral surfaces of the side rails, projections supporting the side rails, and intermediate portions between the tabs and the projections; each intermediate portion opposing the side rail has at least one groove extending in a substantially circumferential direction is recessed when viewed along a radial direction.. . ... Kabushiki Kaisha Riken

03/29/18 / #20180086879

Method for producing polyester

Provided is a method for producing a non-colored polyester with a high molecular weight. The method is to produce a polyester represented by a general formula (2). ... Kabushiki Kaisha Riken

03/22/18 / #20180080556

Piston ring

. . Provided is a piston ring excellent in peeling resistance, wear resistance, and thermal conductivity. A piston ring 1 includes: an annular main body 2 having a pair of side faces 2a and 2b, an outer peripheral face 2d, and an inner peripheral face 2c; and a hard coating 11 provided on the outer peripheral face 2d. ... Kabushiki Kaisha Riken

03/22/18 / #20180079194

Hard coat laminated film

A hard coat laminated film according to at least one embodiment has, from the surface layer side, a first hard coat and a transparent resin film layer. The first hard coat is formed from a coating material including: (a) 100 parts by mass of a polyfunctional (meth)acrylate; and (b) 1-100 parts by mass of an n-substituted (meth)acrylamide compound. ... Kabushiki Kaisha Riken

03/15/18 / #20180072893

Method for producing anti-blocking hard coat film

Embodiments of the invention provide a hard coat film, including a film base material and a hard coat arranged on at least one surface of the film base material, wherein the hard coat is comprised of an active energy ray-curable resin composition. The active energy ray-curable resin composition includes 100 parts by mass of (p) a urethane (meth)acrylate compound, 0.02 to 5 parts by mass of (q) organic fine particles having an average particle size of 10 to 300 nm, and 0.0002 to 2 parts by mass of (r) an acrylic silicon leveling agent. ... Kabushiki Kaisha Riken

03/15/18 / #20180072030

Adhesive film

An embodiment provides an adhesive film having, in order from the surface layer side, a first hard coat, a second hard coat, a transparent resin film layer, and an adhesive layer. The first hard coat is formed from a coating that does not include inorganic particles. ... Kabushiki Kaisha Riken

03/15/18 / #20180072029

Multilayer hard coating film

One embodiment provides a multilayer hard coating film which sequentially includes, from the superficial layer side, a first hard coating and a resin film, and wherein: the first hard coating is formed from a coating material that contains a specific amount of (a) a polyfunctional (meth)acrylate and a specific amount of (b) a water repellent agent, while containing no inorganic particles; and the resin film includes at least one layer of (α) an acrylic resin that contains 50-95% by mole of a structural unit derived from methyl methacrylate and 50-5% by mole of a structural unit derived from vinyl cyclohexane when the total of the structural units derived from polymerizable monomers is taken as 100% by mole. Another embodiment provides a multilayer hard coating film which includes a second hard coating in addition to a first hard coating, and wherein: the first hard coating contains (c) a silane coupling agent in addition to the above-described components (a) and (b); and the second hard coating is formed from a coating material that contains a specific amount of (a) a polyfunctional (meth)acrylate and a specific amount of (d) inorganic fine particles having an average particle diameter of 1-300 nm.. ... Kabushiki Kaisha Riken

03/08/18 / #20180067234

Anti-glare hard coat laminated film

One embodiment provides a hard coat laminated film having, in order from a surface layer side, a first hard coat and a transparent resin film layer. The first hard coat includes a coating material not including inorganic particles and including: (a) 100 parts by mass polyfunctional (meth) acrylate; (b) 0.01-7 parts by mass water repellent; (c) 0.01-10 parts by mass silane coupling agent; and (d) 0.1-10 parts by mass resin microparticles having an average particle diameter of 0.5-10 μm. ... Kabushiki Kaisha Riken

03/08/18 / #20180065349

Transparent resin laminate

One embodiment of the present invention is a transparent resin laminate including, from the surface layer side, a first hard coat, a second hard coat, and a transparent resin sheet layer, and in which: the first hard coat includes a coating material that does not contain inorganic particles and that contains a predetermined amount of (a) a polyfunctional (meth)acrylate, (b) a water-repelling agent, and (c) a silane coupling agent; the second hard coat includes a coating material containing a predetermined amount of (a) the polyfunctional (meth)acrylate and (d) fine inorganic particles having an average particle size of 1-300 nm; and the transparent resin sheet has a thickness of 0.2 mm or more. Another embodiment of the present invention is a transparent resin laminate including, from the surface layer side, a first hard coat, a second hard coat, and a transparent resin sheet layer, and in which: the first hard coat includes a coating material that does not contains inorganic particles; the second hard coat includes a coating material containing inorganic particles; the transparent resin sheet has a thickness of 0.2 mm or more; the total light transmittance is 80% or more; haze is 5% or less; and the yellowness index is 3 or less.. ... Kabushiki Kaisha Riken

02/15/18 / #20180047473

Radioactive waste processing method

Provided is a fission product processing method for selectively transmuting only a long-lived radionuclide from fission products. The method for processing radioactive waste includes the step of extracting, from the radioactive waste, the isotopes without isotope separation, the isotope elements including radionuclides of fission products and having a common atomic number, and the step of irradiating the isotopes with high-energy particles generated by an accelerator to produce nuclear transmutation of a long-lived radionuclide of the radionuclides into a short-lived radionuclide with a short half-life or a stable nuclide re-utilizable as a resource.. ... Kabushiki Kaisha Riken

02/15/18 / #20180044631

Modified immunocyte, method for producing modified immunocyte and utilization thereof

A modified immunocyte: (1) which expresses an exogenous unmodified t cell receptor α-chain and an exogenous t cell receptor β-chain on the cell surface thereof; or (2) which contains a polynucleotide encoding a t cell receptor α-chain and a polynucleotide encoding a t cell receptor β-chain. Thus, a new tool whereby immunity can be appropriately induced in vivo is provided.. ... Kabushiki Kaisha Riken

02/08/18 / #20180038483

Side rail

A side rail (1) in a sprit ring shape is to be mounted on a space expander (2) and to constitute, together with the space expander (2), a multi-piece oil ring (3) used in an internal combustion engine. The side rail (1) includes an outer peripheral surface (14) facing radially outward, an inner peripheral surface (13) facing radially inward, a first axial surface (11) facing one end of an axial direction, and a second axial surface (12) facing the other end of the axial direction and parallel to the first axial surface (11). ... Kabushiki Kaisha Riken

02/08/18 / #20180037941

Method for detecting genetic mutation

A method for detecting a genetic mutation is provided. The method comprising: carrying out pcr using a template dna, a forward primer, a reverse primer and a wild-type oligonucleotide; and detecting an amplified dna. ... Kabushiki Kaisha Riken

02/01/18 / #20180033907

Nitride semiconductor template and method for manufacturing same

. . A nitride semiconductor template includes a ga2o3 substrate, a buffer layer formed on the ga2o3 substrate and including aln as a principal component, a first nitride semiconductor layer formed on the buffer layer and including alxga1-xn (0.2<x≦1) as a principal component, and a second nitride semiconductor layer formed on the first nitride semiconductor layer and including alyga1-yn (0.2≦y≦0.55, y<x) as a principal component.. . ... Kabushiki Kaisha Riken

02/01/18 / #20180031452

Method for observing biological material and clearing method

In an aspect of the present invention, in order to (i) clear the biological material by reducing light scattering while preserving fine morphology of a biological material and preserving fluorescence of a fluorescent substance, and (ii) reduce a spherical aberration in observation under a microscope, the biological material is cleared by being immersed in a solution containing a detergent and a non-ionic organoiodine compound, and then the cleared biological material is observed under a microscope in a state of being immersed in a solution that contains a non-ionic organoiodine compound and that has a refractive index higher than 1.48.. . ... Kabushiki Kaisha Riken

02/01/18 / #20180031127

Side rail

A side rail (1) is formed in a sprit ring shape with an opening (10) and to be mounted on a space expander (2) in an annular shape to constitute, together with the space expander (2), a multi-piece oil ring (3) used in an internal combustion engine. The side rail (1) includes an outer peripheral surface (14) facing radially outward, an inner peripheral surface (13) facing radially inward, a first axial surface (11) facing a crankcase, a second axial surface (12) facing a combustion chamber and parallel to the first axial surface (11), and a protrusion (20) formed on the outer peripheral surface (14) in a position offset from an intermediate position between the first axial surface (11) and the second axial surface (12) toward the first axial surface (11) and protruding radially outward from the outer peripheral surface (14).. ... Kabushiki Kaisha Riken

01/25/18 / #20180023702

Oil ring

An oil ring (1) includes an oil ring body (10) and a coil expander (20). The oil ring body (10) includes a pair of rail portions (12) each including an end portion of an outer periphery having a land (30) formed protruding radially outward from each rail portion (12). ... Kabushiki Kaisha Riken

01/25/18 / #20180020646

Gene knockout method

A method for producing a cell in which a target gene is knocked out, the method including the step of: introducing a crispr-cas system into a cell having one or more kinds of target genes, the crispr-cas system being able to produce (i) three or more kinds of guide rnas for each of the one or more kinds of target genes and (ii) a cas protein. The present invention can provide a method that enables highly efficient (90% or more) production of whole-body biallelic knockout animals in a single generation.. ... Kabushiki Kaisha Riken

01/18/18 / #20180017159

Piston ring

A piston ring includes an annular main body 2 having a side surface 2a and a side surface 2b, and an inner peripheral surface 2c and an outer peripheral surface 2d, wherein in the main body 2, a cutout section 21 is provided in a corner section 31 formed by the side surface 2b and the outer peripheral surface 2d. The cutout section 21 has a first surface 21a and a second surface 21b. ... Kabushiki Kaisha Riken

01/11/18 / #20180011449

Optical lattice clock at operational magic frequency and method for operating the same

An embodiment of an optical lattice clock comprising atoms and a laser light source at an operational magic frequency is provided. The atoms are capable of making a clock transition between two levels of electronic states, and the laser light source generates at least a pair of counterpropagating laser beams, each of which having a lattice-laser intensity i. ... Kabushiki Kaisha Riken

01/11/18 / #20180009959

Hard coat laminate film

According to at least one embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %. According to another embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of a transparent laminate film constituted of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol, when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %, and (β) a poly(meth)acrylimide resin film.. ... Kabushiki Kaisha Riken

01/11/18 / #20180009125

Process for producing resinous panel

A process for producing a resinous panel which is for use as at least some of the front panel of an article, the process including (a) a step in which a resin sheet having a thickness of 0.5-10 mm is fixed to a working table and (b) a step in which the resin sheet is punched out by forcing a thomson blade into the resin sheet approximately perpendicularly thereto from the side where the surface of the resin sheet is to be the outer surface of the article, thereby obtaining the front panel, wherein (c) the thomson blade is a double-edged blade having an edge angle of 30-60 degrees. The resin sheet has a tensile modulus of preferably 1,500 mpa or greater. ... Kabushiki Kaisha Riken

01/04/18 / #20180002720

Cell for use in immunotherapy which contains modified nucleic acid construct encoding wilms tumor gene product or fragment thereof, method for producing said cell, and said nucleic acid construct

A cell of the present invention contains a nucleic acid construct encoding a wt1 gene product or a fragment of the wt1 gene product. The nucleic acid construct contains (i) a region encoding a desired fragment of the wt1 gene product and (ii) only aug as a functional start codon. ... Kabushiki Kaisha Riken

01/04/18 / #20180000921

Compositions containing combinations of bioactive molecules derived from microbiota for treatment of disease

Compositions consisting of bioactive molecules derived from the microbiota of a mammal are provided herein. When administered orally with a colonic delivery system, the compositions are useful for the prophylaxis and treatment of diseases, in particular inflammatory, autoimmune and infectious diseases. ... Kabushiki Kaisha Riken

01/04/18 / #20180000049

System for restraining mouse

A system, of the present invention, for restraining a mouse includes: at least one home cage (10); a passage (20) through which the mouse (60) moves, the passage (20) having at least one first open end (21a); and a restraining device (50) which restrains the mouse by physically fixing the mouse (60), the at least one first open end of the passage (21a) being connected to the at least one home cage (10), the restraining device (50) being provided at a location on the passage (20) which location is different from the at least one first open end (21a) of the passage (20).. . ... Kabushiki Kaisha Riken

12/28/17 / #20170371301

Time measurement device

. . A time measurement device measures a time interval between input timings of first and second pulsed target signals. The device includes: a processor; a number-of-periods detector that detects, by using a clock signal with a predetermined clock frequency and a predetermined clock period, the time interval in units of the clock period; and a phase detection unit including a band-pass filter. ... Kabushiki Kaisha Riken

12/28/17 / #20170370810

Biological-specimen transparentizing agent, system, and use therefor

A clearing reagent in accordance with an embodiment of the present invention for making a biological material transparent is a solution containing: at least one compound selected from the group consisting of urea and a urea derivative; sorbitol; and a surfactant which is contained at a concentration of 5 (w/v) % or less.. . ... Kabushiki Kaisha Riken

12/28/17 / #20170370777

Visible light absorption element, and temperature visualization device and infrared ray visualization device equipped with same

In accordance with heat received from a target object, a visible light absorption element 10 changes a frequency component of visible light to reflect or transmit. The visible light absorption element 10 possesses a resonance frequency included in a visible light frequency region. ... Kabushiki Kaisha Riken

12/07/17 / #20170350508

Combined oil control ring

A combined oil control ring comprising a pair of annular side rails each having a gap, and an axially corrugated spacer expander arranged between the side rails; the corrugated spacer expander having on the inside seating tabs for pushing inner peripheral surfaces of the side rails; the side-rail-pushing surface of each seating tab being provided with a nitrided layer; an entire surface of each spacer expander except for those provided with the nitrided layer being coated with a plating film; and the plating film having vickers hardness hv0.01 of 300 or less.. . ... Kabushiki Kaisha Riken

11/30/17 / #20170344659

Method for classifying data, data classification apparatus, and medium

A method for classifying data executed by a computer includes obtaining a plurality of data groups, each of the data groups including a plurality of data items about detected intensities being associated with physical index values, respectively; and classifying, based on identification information of each of the data groups and the physical index values, the data items included in the data groups into a plurality of clusters.. . ... Kabushiki Kaisha Riken

11/30/17 / #20170342235

Thermoplastic elastomer composition for battery pack protective member

Provided is a thermoplastic elastomer composition which exhibits excellent flexibility in a wide temperature range from ordinary temperature to low temperature, which has a flame retardancy of v-0 according to the ul94 vertical burning test, without including any halogen-based flame retardant, which is excellent in thermal conductivity, electrical insulation and electrolytic solution resistance, and which can be suitably used in a soft battery pack protection member. The present invention provides a thermoplastic elastomer composition for a battery pack protection member, including 100 parts by mass of a resin composition including (a) 20 to 80% by mass of a hydrogenated product of a copolymer of an aromatic vinyl compound and a conjugated diene compound, and (b) 80 to 20% by mass of a softening material for non-aromatic rubber, in which the total of the component (a) and the component (b) is 100% by mass; (c) 0.1 to 10 parts by mass of a modified resin; and (d) 250 to 400 parts by mass of magnesium hydroxide.. ... Kabushiki Kaisha Riken

11/23/17 / #20170339777

Undulator magnet array and undulator

In an undulator magnet array, an upper magnet array is formed by coupling an upper shift magnet array and an upper reference magnet array, and a lower magnet array is formed by coupling a lower reference magnet array and lower shift magnet array arranged so as to face the magnet arrays. With reference to a state where the amplitudes of periodic magnetic fields that can be formed by the upper magnet array and the lower magnet array are maximized, the upper shift magnet array is shifted ¼ of a period to the left as seen from the lower reference magnet array and the lower shift magnet array is shifted ¼ of a period to the left as seen from the upper reference magnet array.. ... Kabushiki Kaisha Riken

11/09/17 / #20170319748

Method for manufacturing ciliary margin stem cells

The invention provides a method for producing a ciliary marginal zone stem cell induced to differentiate from a pluripotent stem cell, including either the following step (1) or step (2), or both of these steps: (1) a step of floating culturing cells obtained from a cell aggregate containing a ciliary marginal zone-like structure induced to differentiate from pluripotent stem cells, thereby obtaining a retinosphere; and (2) a step of collecting stage specific embryonic antigen-1 positive cells from cells obtained from a cell aggregate containing a ciliary marginal zone-like structure induced to differentiate from pluripotent stem cells.. . ... Kabushiki Kaisha Riken

10/26/17 / #20170307515

Optical response measuring device and optical response measuring method

. . An optical response measuring device is provided with a light source, first and second wavelength conversion elements, and a light intensity sensor array. The light source generates a pair of light beams including light beams of first and second wavelengths. ... Kabushiki Kaisha Riken

10/26/17 / #20170306188

Pressure-sensitive adhesive film

Embodiments provide a pressure-sensitive adhesive film having (α) a poly(meth)acrylimide-based resin film layer and (γ) a pressure-sensitive adhesive agent layer in that order from the surface layer side and having a total light transmittance of 80% or higher. The pressure-sensitive adhesive film may further have (δ) a hard coat layer on the surface layer side of the poly(meth)acrylimide-based resin film layer (α). ... Kabushiki Kaisha Riken

10/26/17 / #20170306132

Method for producing thermoplastic resin composition film

Embodiments provide a method for producing a film including a thermoplastic resin composition, the method including: (1) a step of subjecting a thermoplastic resin composition to preliminary heating at 100-250° c.; (2) a step of subjecting a first roller and second roller of a calender roll film-forming apparatus to pre-heating; and (3) a step of introducing the thermoplastic resin composition, which has been subjected to preliminary heating in step (1), into the clearance between the first roller and second roller, which have been pre-heated in step (2), and continuously winding a molten film of the thermoplastic resin composition on the first roller. According to at least one embodiment, the rotational speed of the first roller is higher than the rotational speed of the second roller. ... Kabushiki Kaisha Riken

10/26/17 / #20170304137

Upper-limb rehabilitation assisting device and method for controlling the same

An upper-limb rehabilitation assisting device includes first and second handles coupled to first and second rotating shafts and rotationally operated by hands on a paralytic limb side and a healthy limb side; first and second biosignal detecting parts that detect first and second biosignals corresponding to the paralytic limb side and the healthy limb side; first and second drive parts that drive the first and second rotating shafts; and a control part that performs a cooperative control of the first rotating shaft and the second rotating shaft. The control part controls the torques of the first and second drive parts at the time of the cooperative control of the first and second rotating shafts the basis of the degree of cooperation between the first and second biosignals.. ... Kabushiki Kaisha Riken

10/05/17 / #20170284233

Roller-type rocker arm

A roller-type rocker arm had a function for transmitting a rotational motion of a cam to an intake and exhaust valve. The roller-type rocker arm includes a roller shaft, an inner ring roller slidably attached to an outer circumference surface of the roller shaft, and an outer ring roller slidably attached to an outer circumference surface of the inner ring roller. ... Kabushiki Kaisha Riken

09/28/17 / #20170275685

Method for nucleic acid amplification

It is an object of the present invention to provide a method for amplifying a nucleic acid, using rna as a template, which can realize elimination of the risk of non-specific amplification caused by dna mixed from reagents and/or working environment, an increase in the detection sensitivity of trace rna, and a reduction in amplification bias. According to the present invention, there is provided a method for amplifying a nucleic acid, which comprises a step of incubating a mixture comprising template rna, a primer, a degrading enzyme specific to dna in rna-dna hybrid, an rnase h minus reverse transcriptase, and a substrate.. ... Kabushiki Kaisha Riken

09/28/17 / #20170275675

Detection method and kit of base mutation, and method for limiting pcr amplification of nucleic acid sample

Detection method of a base mutation in a target base sequence of a nucleic acid sample, includes: performing a pcr reaction with the nucleic acid sample as a template, using a primer set capable of amplifying, by pcr, an amplification target region including the target base sequence; a blocker nucleic acid fragment having a base sequence complementary to the target base sequence and including a residue which is synthetic nucleic acid; and a probe that hybridizes to a region, in the target region, closer to a 5′ end of the target region than the target base sequence in the same chain as the target base sequence, and that has a fluorescent substance on one of a 5′ end and a 3′ end of the probe and a quenching substance on the other; and measuring an amplification amount of the template in the pcr reaction by detecting fluorescence from the probe.. . ... Kabushiki Kaisha Riken

09/14/17 / #20170261624

Imaging device and method

Focusing on a gamma ray detection phenomenon (event) in which a gamma ray from a gamma ray source is compton scattered at a first-stage detector, the gamma ray is photoelectrically absorbed at a second-stage detector, the spatial distribution of the gamma ray source is imaged within a predetermined image space on the basis of measurement data for the interaction of the detectors and gamma rays. At this time, a probability parameter (vij) indicating the probability that compton-scattered gamma ray arrived from within the image space and a detection sensitivity parameter (sij) indicating gamma ray detection sensitivity are set for each event and each pixel on the basis of the measurement data for each event, and these parameters are used to determine the pixel values (λj) for each pixel.. ... Kabushiki Kaisha Riken

09/14/17 / #20170259379

Method for processing film

Embodiments are directed to a method for processing a film, which includes: (a) a step wherein protective films are temporarily bonded to both surfaces of a film that is a material to be processed, thereby obtaining a film to be processed to both surfaces of which the protective films are bonded; and (b) a step wherein the film to be processed to both surfaces of which the protective films are bonded is cut using a laser having a wavelength at which the protective films have an absorbance of 50% or more. Other embodiments are directed to a method for processing a film, which includes: (a) a step wherein protective films are temporarily bonded to both surfaces of a film that is a material to be processed, thereby obtaining a film to be processed to both surfaces of which the protective films are bonded; and (b′) a step wherein the film to be processed to both surfaces of which the protective films are bonded is cut using a laser having a wavelength at which the film to be processed has an absorbance of 50% or more and the protective films have an absorbance of 50% or more.. ... Kabushiki Kaisha Riken

09/07/17 / #20170253825

Coated sliding member

A coated sliding member 10 for use under an environment where it is in contact with lubricant, comprising: a base material 12; and a first hard carbon layer 14 having a thickness of 3 μm or more formed on a surface of the base material by a vacuum arc method using carbon and consisting of diamond-like carbon, containing substantially no hydrogen and being configured only of carbon, and a second hard carbon layer 15 formed on a surface of the first hard carbon layer by a vacuum arc method using carbon and consisting of diamond-like carbon, containing substantially no hydrogen and being configured only of carbon and nitrogen, the film thickness of the second hard carbon layer being 3 to 35% of the film thickness of the first hard carbon layer.. . ... Kabushiki Kaisha Riken

08/31/17 / #20170250308

Crystal substrate, ultraviolet light-emitting device, and manufacturing methods therefor

To fabricate a practically useful non-polar aln buffer layer on a sapphire crystal plate and manufacture a uv light-emitting device on a non-polar crystal substrate by adopting the crystal substrate as an example, an embodiment of the present invention provides a crystal substrate 1d comprising an r-plane sapphire crystal plate 10 and an aln buffer layer 20d of non-polar orientation. The aln buffer layer comprises a surface protection layer 22 and a smoothing layer 26. ... Kabushiki Kaisha Riken

08/17/17 / #20170236623

High temperature superconducting multicore tape wire, and manufacturing method thereof and manufacturing device

The method is for manufacturing a high temperature multi-filamentary superconducting tape wire having an oxide superconducting layer formed on a tape-shaped metal substrate with an intermediate layer therebetween and a metal stabilizing layer formed on the oxide superconducting layer, wherein one or more lengthwise slits are formed in the oxide superconducting layer and the intermediate layer and no slits are formed in the metal substrate and the stabilizing layer. The method includes: a step for preparing a high temperature superconducting wire material having an oxide superconducting layer formed on a tape-shape metal substrate with an intermediate layer therebetween and a stabilizing layer formed on the oxide superconducting layer; and a step for applying a load to the high temperature superconducting wire material to form slits. ... Kabushiki Kaisha Riken

08/10/17 / #20170227540

Memory invariant nkt cell marker

The present invention provides use of klrg1 as a marker specific to memory invariant nkt cells. Using an antibody that specifically recognizes klrg1, memory invariant nkt cells can be easily detected or isolated.. ... Kabushiki Kaisha Riken

08/03/17 / #20170217145

Decorative-sheet manufacturing method

A method for producing a decorative sheet includes the steps of: (a) pressing a thermoplastic resin film (a) on a preheated rotating heating drum, and then pressing a transfer film (b) having a hot-melt adhesive layer, a resin coating, a release coating layer, and a film base material in order such that the hot-melt adhesive layer is positioned in the film (a) side; (β) feeding/supplying a pressed body obtained in the step (α) between a rotating design-imparting roll and a rotating receiving roll such that the transfer film (b) is positioned in the design-imparting-roll side; and (γ) sequentially passing a laminated sheet obtained in the step (β) through a first chill roll whose temperature is set to 50° c. To 90° c., and a second chill roll whose temperature is set to a temperature of 20° c. ... Kabushiki Kaisha Riken

07/20/17 / #20170206921

Magnetic storage media and data storage device

A magnetic storage media which has an endurance (durability) characteristics close to an infinite number of writing times of data and a data retention (holding) characteristics close to permanency, and is ultra-high-speed writable and erasable, and a data storage device and an image storage device which apply this magnetic storage media are provided. A magnetic storage media includes a thin layer magnet and a magnetic field generating unit arranged facing a surface of the magnet, and is capable of creating or eliminating a skyrmion by applying heat energy to another surface of the magnet positioned on the opposite side of the surface of the magnet, and a skyrmion memory includes the magnetic storage media.. ... Kabushiki Kaisha Riken

07/20/17 / #20170202908

Agent for promoting substance incorporation in intestinal tract

An object of the present invention is to provide means for efficiently incorporating substances such as lactic acid bacteria, which are useful for intestinal immune induction, into the intestinal tract. According to the present invention, the following are provided: an agent for promoting substance incorporation in the intestinal tract which has a surface layer protein (s-layer protein) having peptide motifs found in common among lactic acid bacteria of the genus lactobacillus; a complex of the agent for promoting substance incorporation in the intestinal tract and a substance to be incorporated into the intestinal tract; a beverage or food product or a pharmaceutical product having the complex; and a method for screening for a lactic acid bacterium having a high level of ability to be transferred into the intestinal tract, by determining the expression level of an s-layer protein in the surface layers of bacterial cells of a test lactic acid bacterium.. ... Kabushiki Kaisha Riken

07/13/17 / #20170198164

Actinic-ray-curable resin composition, layered film including hardcoat formed therefrom, and layered transparent resin product

Embodiments of the invention relate to an actinic-ray-curable resin composition which includes 100 parts by mass of a polyfunctional (meth)acrylate; 0.2-4 parts by mass of a compound having an alkoxysilyl group and a (meth)acryloyl group; 0.05-3 parts by mass of an organic titanium; and 5-100 parts by mass of fine particles having an average particle diameter of 1-300 nm. Embodiments of the invention also relate to a layered transparent resin product which includes a hardcoat layer and a layer of a transparent resin sheet in this order from the outermost layer side, wherein the hardcoat has been formed from a coating material including 100 parts by mass of a polyfunctional (meth)acrylate; 0.2-4 parts by mass of a compound having an alkoxysilyl group and a (meth)acryloyl group; 0.05-3 parts by mass of an organic titanium; and 5-100 parts by mass of fine particles having an average particle diameter of 1-300 nm.. ... Kabushiki Kaisha Riken

06/22/17 / #20170179376

Magnetic element, skyrmion memory, solid-state electronic device, data-storage device, data processing and communication device

. . Provided is a magnetic element which can generate a skyrmion by a stacked film including a magnetic layer and a non-magnetic layer, and a skyrmion memory to which the magnetic element is applied and the like. Provided is a magnetic element for generating a skyrmion, the magnetic element comprising a two-dimensional stacked film, wherein the two-dimensional stacked film is at least one or more multiple layered films including a magnetic film and a non-magnetic film stacked on the magnetic film. ... Kabushiki Kaisha Riken

06/22/17 / #20170179375

Magnetic element, skyrmion memory, skyrmion memory device, skyrmion-memory embedded solid-state electronic device, data storage apparatus, data processing and communication apparatus

Provided is a magnetic element capable of generating one skyrmion and erasing the one skyrmion. The magnetic element includes a magnet shaped like a substantially rectangular flat plate, an upstream electrode connected to the magnet in a width wm direction of the magnet and made of a non-magnetic metal, a downstream electrode connected to the magnet in the width wm direction to oppose the upstream electrode and made of a non-magnetic metal, and a skyrmion sensor configured to detect the skyrmion. ... Kabushiki Kaisha Riken

06/22/17 / #20170178748

Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication device

A magnetic element capable of generating and erasing a skyrmion, including a magnet shaped as a thin layer and including a structure surrounded by a nonmagnetic material; a current path provided surrounding an end region including an end portion of the magnet, on one surface of the magnet; and a skyrmion sensor that detects the generation and erasing of the skyrmion. With wm being width of the magnet and hm being height of the magnet, a size of the magnet, with the skyrmion of a diameter λ being generated, is such that 2λ>wm>λ/2 and 2λ>hm>λ/2. ... Kabushiki Kaisha Riken

06/22/17 / #20170178746

Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication device

To provide a magnetic element capable of performing skyrmion transfer, a skyrmion memory to which this magnetic element is applied, and a shift register, for example, a magnetic element capable of performing skyrmion transfer is provided, the magnetic element providing a transverse transfer arrangement in which the skyrmion is transferred substantially perpendicular to a current between an upstream electrode and a downstream electrode, and including a plurality of stable positions in which the skyrmion exists more stably than in other regions of a magnet, and a skyrmion sensor that detects a position of the skyrmion.. . ... Kabushiki Kaisha Riken

06/15/17 / #20170169898

Magnetic device, skyrmion memory, skyrmion memory-device, solid-state electronic skyrmion-device, data-storage device, data processing and transferring device

Provided is a skyrmion memory circuit capable of circularly transferring a magnetic element skyrmion, comprising one or more current paths in a magnet having a closed-path pattern that are provided surrounding an end region including an end portion of the magnet in a plane of the magnet with the closed-path pattern, and applying current between an outer terminal connected to an outer circumferential portion of the closed-path pattern and an inner circumference electrode connected to an inner circumferential portion of the closed-path pattern, transferring the skyrmion in a direction substantially perpendicular to the direction of the applied current, and circulating the skyrmion in the magnet with the closed-path pattern.. . ... Kabushiki Kaisha Riken

05/04/17 / #20170120296

Method for producing multilayer coated film

Embodiments of the invention provide a method for producing a multilayer coated film which involves obtaining a first layered body by forming, on a film substrate, a wet-coated film including a coating material (a) containing an active energy ray-curable resin which contains a first photopolymerization initiator and a second photopolymerization initiator, the reaction wavelengths of which differ from one another; and forming a pre-cured coated film including the coating material (a) in a dry-to-the-touch state by preliminarily curing the wet-coated film including the coating material (a), by irradiating the first layered body with active energy rays which include the reaction wavelength of the first photopolymerization initiator and do not include the reaction wavelength of the second photopolymerization initiator. The method further includes obtaining a second layered body by forming a wet-coated film including a coating material (b) on the pre-cured coated film including the coating material (a); and obtaining the multilayer coated film by fully curing the pre-cured coated film including the coating material (a) by irradiating the second layered body with active energy rays including the reaction wavelength of the second photopolymerization initiator.. ... Kabushiki Kaisha Riken

04/06/17 / #20170095993

Process for producing article from layered hardcoat object, and article formed from layered hardcoat object including poly(meth)acrylimide-based resin layer

. . The present invention pertains to a process for producing an article from a layered hard coat object including a hard coat layer and a transparent-resin film layer in this order from the outermost layer side, the process comprising: a step (a) in which a pressure-sensitive adhesive layer of a support having the pressure-sensitive adhesive layer on at least one surface thereof is temporarily applied to at least one surface of the layered hard coat object to obtain a temporarily support-bearing layered hard coat object; a step (b) in which at least one processing method selected from the group consisting of router processing, water-jet processing, laser processing, and punching is applied to the temporarily support-bearing layered hard coat object to cut the temporarily support-bearing layered hard coat object into a given shape, thereby obtaining a temporarily support-bearing cut article; and a step (c) in which at least one kind of energy selected from the group consisting of heat and actinic rays is applied to the temporarily support-bearing cut article to reduce the strength of tackiness between the support and the article to 2 n/2.5 cm or less.. . ... Kabushiki Kaisha Riken

03/30/17 / #20170089228

Valve seat of sintered iron-based alloy

The present invention provides a valve seat of a co-free, sintered iron-based alloy having excellent heat resistance, oxidation resistance and wear resistance, as well as excellent machinability, which is usable for internal combustion engines using a gas fuel. The valve seat is produced by using a prealloy containing 12% or more by mass of cr in a matrix for, and hard particles having high strength and hardness at high temperatures are used, such that the entire valve seat has a composition comprising by mass 5.0-20.0% of cr, 0.4-2.0% of si, 2.0-6.0% of ni, 5.0-25.0% of mo, 0.1-5.0% of w, 0.5-5.0% of v, 1.0% or less of nb, and 0.5-1.5% of c, the balance being fe and inevitable impurities.. ... Kabushiki Kaisha Riken

03/16/17 / #20170073766

Method for differentiating between lung squamous cell carcinoma and lung adenocarcinoma

Provided is an approach for differentially determining the histological type of a lung cancer lesion objectively and rapidly with high accuracy. A method for differentially assessing a lesion in a lung cancer patient as squamous cell carcinoma or adenocarcinoma, comprising a step of measuring an expression level of an expression product of at least one dna comprising a transcription start site in a biological sample collected from the lesion, wherein the dna comprises a base at an arbitrary position in the transcription start site and at least one or more bases located immediately downstream thereof in any of nucleotide sequences represented by seq id nos: 1 to 213, and the transcription start site is a region wherein both ends thereof are defined by the first base and the 101st base counted from the 3′ end in any of the nucleotide sequences represented by seq id nos: 1 to 213.. ... Kabushiki Kaisha Riken

03/16/17 / #20170073512

Seal member

A seal member is made of a composite material. The composite material includes: any one of an acrylic elastomer, a hydrogenated nitrile elastomer, a fluorinated elastomer, and a fluorosilicone elastomer as a main component; and a particulate filler and a fibrous filler. ... Kabushiki Kaisha Riken

03/02/17 / #20170058283

Plant transformation method

An object of the present invention is to provide a plant transformation method that is convenient and is widely applicable to various types of plant cells and nucleic acids. The present invention relates to a method for transforming a target plant, comprising the steps of: a) contacting a carrier peptide comprising a cell-penetrating sequence and a polycation sequence with a nucleic acid to form a complex; b) contacting the obtained complex with a cell of a meristem of the target plant to transfer the nucleic acid to the genome; c) allowing the meristem to grow; and d) selecting a plant harboring the transferred nucleic acid.. ... Kabushiki Kaisha Riken

03/02/17 / #20170056921

Hard coat laminated film and method for producing same

Embodiments of the invention provide a hard coat laminated film including a first hard coat, a second hard coat, and a transparent resin film layer in order from the outermost surface layer side, wherein the first hard coat is formed of a coating material containing no inorganic particles; the second hard coat is formed of a coating material containing inorganic particles; and the hard coat laminated film satisfies the following requirements: (i) the total light transmittance is 85% or more; and (ii) the pencil hardness of the surface of the first hard coat is 5h or higher. According to another embodiment, a hard coat laminated film is provided, which includes a first hard coat, a second hard coat, and a transparent resin film layer in order from the outermost surface layer side, wherein the first hard coat is formed of a coating material containing predetermined amounts of (a) a polyfunctional (meth)acrylate; (b) a water repellant; and (c) a silane coupling agent and containing no inorganic particles; and the second hard coat is formed of a coating material containing (a) 100 parts by mass of a polyfunctional (meth)acrylate; and (d) 50 to 300 parts by mass of inorganic fine particles having an average particle size of 1 to 300 nm.. ... Kabushiki Kaisha Riken

02/23/17 / #20170053686

Magnetic element, skyrmion memory and arithmetic processing unit

To provide a magnetic element that controls generation and annihilation of a skyrmion. A magnetic element is provided, and the magnetic element comprises: a magnetic body that has a spiral magnetic structure in a stable state; a skyrmion control unit that generates skyrmion in the magnetic body by supplying energy to the magnetic body that has the spiral magnetic structure. ... Kabushiki Kaisha Riken

02/23/17 / #20170050759

Packing box

Embodiments of the invention provide a packing box wherein strength is improved and efficiency of opening, content retrieval, etc. Is improved. ... Kabushiki Kaisha Riken

02/16/17 / #20170044936

Roller type rocker arm

A roller-type rocker arm includes a roller shaft. A sliding surface of an outer circumference surface of the roller shaft includes a number of dimples. ... Kabushiki Kaisha Riken

02/02/17 / #20170029771

Stem cell culture medium and method

Stem cells such as embryonic stem cells (es cells), including human es cells, are cultured in a medium comprising a rock inhibitor, and a stem cell culture medium, optionally serum free, comprises a rock inhibitor.. . ... Kabushiki Kaisha Riken

01/12/17 / #20170011823

Low-resistance connection body for high-temperature superconducting wire material and connection method

Provided is a low-resistance connection body for a high-temperature superconducting wire, in which a high-temperature superconducting bulk body and a high-temperature superconducting wire including a high-temperature superconducting layer are connected to each other, wherein a melting point of the high-temperature superconducting layer is higher than a melting point of the high-temperature superconducting bulk body; the high-temperature superconducting layer and the high-temperature superconducting bulk body are in contact at a connection site of the high-temperature superconducting wire and the high-temperature superconducting bulk body; and a surface of the high-temperature superconducting bulk body that is in contact with the high-temperature superconducting layer is crystallized due to crystal growth. Two high-temperature superconducting wires can be connected, with low resistance, through connection of the two high-temperature superconducting wires to one high-temperature superconducting bulk.. ... Kabushiki Kaisha Riken

01/12/17 / #20170009314

Piston ring and its production method

To provide a piston ring of low-alloy steel having excellent nitridability, namely, a piston ring of low-alloy steel having excellent thermal conductivity and capable of being provided with a sufficient nitrided layer, steel comprising by mass 0.45-0.65% of c, 0.15-0.35% of si, 0.65-1.00% of mn and 0.60-1.10% of cr as indispensable alloy elements, and less than 0.35% of mo, less than 0.25% of v and less than 0.001% of b as optional alloy elements, the total amount of the indispensable alloy elements and the optional alloy elements being less than 3.0% by mass, is formed into a piston ring; and the nitrided layer is formed on its surface.. . ... Kabushiki Kaisha Riken








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