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Hitachi Metals Ltd patents


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

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 new patent  Brazing alloy powder and joined component

Provided is a brazing alloy powder with which the development of defect in a brazed portion is suppressed and which enables an increase in the joint strength of the portion to be joined. Also provided is a brazed joined component having a high joint strength of the portion to be... Hitachi Metals Ltd

 new patent  Ceramic honeycomb structure and its production method

A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 50-60%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) pore diameters at cumulative pore volumes corresponding to particular percentages of the... Hitachi Metals Ltd

Onboard detector

An onboard detector includes a cable including plural electric wires and a sensor module provided at an end of the cable. The sensor module includes a sensor, a housing member and a molded article. The sensor includes a sensor main body including a detecting element and plural lead wires electrically... Hitachi Metals Ltd

Communication module

A communication module inserted into and removed from a slot provided in a communication device, the communication module includes a communication cable, a casing disposed at an end of the communication cable and capable of being inserted into and removed from the slot, a latch arm slidable along the casing,... Hitachi Metals Ltd

Ni-based alloy having excellent high-temperature creep characteristics, and gas turbine member using the same

Provided is a Ni-based alloy having a composition consisting of, by mass %, Cr: 14.0% to 17.0% (preferably, not less than 14.0% and less than 15.0%), Fe: 5.0% to 9.0%, Ti: 2.2% to 2.8%, Al: 0.40% to 1.00%, a total amount of Nb+Ta: 0.7% to 1.2%, B: 0.001% to 0.010%,... Hitachi Metals Ltd

Line sensor

A line sensor includes a sensor cord including a resilient hollow insulator and two electrical wires arranged along an inner circumferential surface of the hollow insulator in an electrically non-contact state with each other, a constant current source which is connected to one of the two electrode wires at one... Hitachi Metals Ltd

Ceramic honeycomb structure and its production method

A ceramic honeycomb structure comprising large numbers of cells partitioned by porous cell walls, the cell walls having (a) porosity of 50-80%, and when measured by mercury porosimetry, (b) a median pore diameter being 25-50 μm, (c) (i) a cumulative pore volume in a pore diameter range of 20 μm... Hitachi Metals Ltd

Equipment and manufacturing copper alloy material

A copper alloy material manufacturing equipment for manufacturing a copper alloy material by continuously casting molten copper. The equipment includes an element adding means for adding a metal element to the molten copper, a tundish for holding the molten copper containing the metal element, a pouring nozzle connected to the... Hitachi Metals Ltd

Current sensor

A current sensor includes, a bus bar through which a current flows, a magnetic detection element detecting a magnetic field intensity generated by the current, first and second shielding plates arranged so as to sandwich the bus bar between the first and second shielding plates, a first conductive plate made... Hitachi Metals Ltd

Molding device, metal mold, manufacturing magnet roll and magnetizing magnet roll

A molding device for molding a magnet roll with a profiled cross-section comprises a heating and kneading unit that supplies, to a cylindrical metal mold, a kneaded material obtained by heating and kneading a raw mixture including ferromagnetic particles and thermoplastic resin, an extrusion molding unit that molds the supplied... Hitachi Metals Ltd

Differential signal transmission cable and multi-core differential signal transmission cable

A differential signal transmission cable includes a conductor, a first dielectric covering the conductor, an outer conductor covering the first dielectric, a second dielectric covering the outer conductor and including a material with a higher transmission loss than the first dielectric, and a shield covering the second dielectric. A multi-core... Hitachi Metals Ltd

Insulated wire and cable

An insulated wire includes a conductor, a flame-retardant inner layer that is provided around the conductor and includes a metal hydroxide, and a water ingress prevention layer provided around the flame-retardant inner layer. The insulated wire may further include a flame-retardant outer layer provided around the water ingress prevention layer.... Hitachi Metals Ltd

Insulated wire

An insulated wire includes a conductor, and a flame-retardant insulation layer that includes a resin composition including a flame retardant and is arranged around the conductor, and a water-blocking layer that is arranged around the flame-retardant insulation layer and has a water absorption of not more than 0.5% at saturation.... Hitachi Metals Ltd

Fe-si-b-c-based amorphous alloy ribbon and transformer core formed thereby

An Fe—Si—B—C-based amorphous alloy ribbon as thick as 20-30 μm having a composition comprising 80.0-80.7 atomic % of Fe, 6.1-7.99 atomic % of Si, and 11.5-13.2 atomic % of B, the total amount of Fe, Si and B being 100 atomic %, and further comprising 0.2-0.45 atomic % of C... Hitachi Metals Ltd

Hermetic sealing lid member and electronic component housing package

This hermetic sealing lid member (1) is made of a clad material (10) including a base material layer (11) made of an Fe alloy that contains 4 mass % or more of Cr and a silver brazing layer (13) bonded onto a surface of the base material layer on a... Hitachi Metals Ltd

Cable and wire harness

A cable includes a plurality of electric wires, and a tape member spirally wound around an assembled article that is formed by twisting the plurality of electric wires. The thickness of the tape member is not less than 0.028 mm and not more than 0.090 mm, a width of the... Hitachi Metals Ltd

Positive-electrode material for lithium ion secondary battery, producing the same, and lithium ion secondary battery

A positive-electrode material for a lithium ion secondary battery contains a lithium complex compound that is represented by the formula: Li1+aNibMncCodTieMfO2+α, and has an atomic ratio Ti3+/Ti4+ between Ti3+ and Ti4+, as determined through X-ray photoelectron spectroscopy, of greater than or equal to 1.5 and less than or equal to... Hitachi Metals Ltd

Communication cable

In a communication cable having a multi-core cable with a plurality of core cables in which a pair of signal lines are covered with an insulator, in which the insulator is covered with a shield tape, and in which the shield tape is covered with a wrapping tape, and having... Hitachi Metals Ltd

Mnzn-ferrite and its production method

A method for producing MnZn-ferrite comprising Fe, Mn and Zn as main components, and at least Co, Si and Ca as sub-components, the main components in the MnZn-ferrite comprising 53-56% by mol (as Fe2O3) of Fe, and 3-9% by mol (as ZnO) of Zn, the balance being Mn as MnO,... Hitachi Metals Ltd

Communication cable

In a communication cable having a multi-core cable with a plurality of core cables in which a pair of signal lines are covered with an insulator, in which the insulator is covered with a shield tape, and in which the shield tape is covered with a wrapping tape, and having... Hitachi Metals Ltd

Hermetic sealing lid member, manufacturing hermetic sealing lid member, and electronic component housing package

This hermetic sealing lid member (10) is made of a clad material (20) including a silver brazing layer (21) that contains Ag and Cu and a first Fe layer (22) bonded onto the silver brazing layer and made of Fe or an Fe alloy. The hermetic sealing lid member is... Hitachi Metals Ltd

Hot-working tool and manufacturing method therefor

Provided is a hot-working tool capable of maintaining adequate toughness even if the permissible amount of P contained in the hot-working tool is increased. The present invention is a hot-working tool, which has a component composition that can be adjusted to a martensitic structure by quenching and has a post-quenching... Hitachi Metals Ltd

Conductive particles, conductive powder, conductive polymer composition and anisotropic conductive sheet

A conductive particle including a conductive powder, a conductive polymer composition, and an anisotropic conductive sheet, each of which has a particularly smaller volume resistivity and better conductivity than those of the related art, and is desirably inexpensive. A conductive particle includes a first plating layer (pure Ni plating layer... Hitachi Metals Ltd

Insulated wire, cable and molded article

An insulated wire includes an outermost layer including a resin composition including a fluorine-containing elastomer. A ratio of C═O bond to C—C bond (C═O/C—C) on a surface of the outermost layer is not less than 0.5. The resin composition further includes a tetrafluoroethylene-propylene copolymer and an ethylene-tetrafluoroethylene copolymer as the... Hitachi Metals Ltd

Cold work tool and manufacturing same

Provided are: a cold work tool having excellent wear resistance; and a method for manufacturing the cold work tool. A cold work tool which has an ingredient composition that can be prepared into a martensite structure by quenching and which has a martensite structure, wherein the hardness of the cold... Hitachi Metals Ltd

Refined copper, producing refined copper, electric wire and manufacturing electric wire

A method of producing a refined copper includes depositing the refined copper on a cathode by an electroplating process or an electroless plating process in an alkaline plating bath including a solution of a copper compound that includes none of sulfur, chlorine and oxygen elements and produces copper ions having... Hitachi Metals Ltd

Production r-t-b-based sintered magnet

A step of, while an RLM alloy powder (where RL is Nd and/or Pr; M is one or more elements selected from among Cu, Fe, Ga, Co, Ni and Al) and an RH oxide powder (where RH is Dy and/or Tb) are present on the surface of a sintered R-T-B... Hitachi Metals Ltd

Method for manufacturing hermetic sealing lid member, hermetic sealing lid member, and manufacturing electronic component housing package

This method for manufacturing a hermetic sealing lid member (1, 201, 301) includes forming a Ni plated metal plate (70, 170) by forming a Ni plated layer (11, 12, 41) on a surface of a metal plate (40) having a corrosion resistance and forming the hermetic sealing lid member by... Hitachi Metals Ltd

Fe-based soft magnetic alloy ribbon and magnetic core comprising same

Conventional Fe-based soft magnetic alloy ribbons each containing Co and Ni have a problem that magnetic anisotropy that is neatly arranged in one direction cannot be induced easily even by a magnetic field annealing treatment and, therefore, a wound magnetic cores, a problem that a residual magnetic flux density Br... Hitachi Metals Ltd

Method for manufacturing r-t-b based sintered magnet

A method for producing a sintered R-T-B based magnet of this disclosure includes the steps of preparing a plurality of sintered R-T-B based magnet bodies (R is at least one of rare earth elements and necessarily contains Nd and/or Pr; and T is at least one of transition metals and... Hitachi Metals Ltd

Production r-t-b-based sintered magnet

A step of, while an RLM alloy powder (where RL is Nd and/or Pr; M is one or more elements selected from among Cu, Fe, Ga, Co, Ni and Al) and an RH compound powder (where RH is Dy and/or Tb; and the RH compound is an RH fluoride and/or... Hitachi Metals Ltd

Ceramic honeycomb filter and its production method

A ceramic honeycomb filter comprising a ceramic honeycomb structure having pluralities of flow paths partitioned by porous cordierite cell walls, and plugs formed in predetermined flow paths of the ceramic honeycomb structure; the plugs being formed by ceramic particles and an amorphous oxide matrix existing between the ceramic particles; in... Hitachi Metals Ltd

Cold work tool material, cold work tool and manufacturing same

Provided is a cold work tool material capable of reducing dimensional changes which occur, due to heat treatment, in the longitudinal direction of the material during quenching and tempering. This cold work tool material is drawn through hot working, has an annealed structure including carbides, and is used after being... Hitachi Metals Ltd

Electric current detection device and electric current detection method

An electric current detection device includes magnetism detector elements for detecting a strength of a magnetic field generated by an electric current flowing through an electric current path, a detection circuit for detecting a magnitude of an electric current flowing through the electric current path based on an output of... Hitachi Metals Ltd

Communication module

A communication module includes a metal housing, a module connector provided at a front surface of the housing, and a light guide which guides light that has gone out from a LED lamp provided on a host board of a communication device and entered interior of a cage through a... Hitachi Metals Ltd

11/02/17 / #20170316849

Insulation wire, manufacturing the same, and manufacturing electric machine

An insulation wire includes a conductor, a first insulating layer formed in an outer surface of the conductor, and a second insulating layer formed in an outer surface of the first insulating layer. In the insulation wire, the first insulating layer is a thermoplastic resin layer that is made of... Hitachi Metals Ltd

10/26/17 / #20170304762

Ceramic honeycomb structure

A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls, (a) the cell walls having porosity of 50-63%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) pore diameters at cumulative pore volumes corresponding to particular percentages of the... Hitachi Metals Ltd

10/26/17 / #20170307663

Current detection method, current detection device, signal correction current detection device, and signal correction device for current detection device

A current detection method for a current detection device including magnetism detection elements that detect magnetic flux density and output a voltage signal corresponding to the magnetic flux density is provided. The method includes acquiring measured value data that is obtained as a result of providing magnetic flux density in... Hitachi Metals Ltd

10/19/17 / #20170297080

Ring molded article manufacturing method

A ring molded article manufacturing method capable of reliably and efficiently producing a ring molded article in which dead metal regions are reduced, is provided. In the present invention, a material is processed by first forging so as to be shaped in a shape including a bottom which is formed... Hitachi Metals Ltd

10/19/17 / #20170298489

Heat-resistant, austenitic cast steel having excellent thermal fatigue properties, and exhaust member made thereof

A heat-resistant, austenitic cast steel having excellent thermal fatigue properties, comprising by mass 0.3-0.6% of C, 0.5-3% of Si, 0.5-2% of Mn, 15-30% of Cr, 6-30% of Ni, 0.6-5% of Nb, 0.01-0.5% of N, and 0.01-0.5% of S, C/N being 4-7, and the balance being Fe and inevitable impurities; and... Hitachi Metals Ltd

10/19/17 / #20170298497

Method for producing a double-layer coated cutting tool with improved wear resistance

A method for producing a tool coated with a hard coating, the method including the following steps: applying a TiAlN coating layer onto a substrate with a first magnetron sputtering process and applying a TixSi1-xN coating layer onto the TiAlN layer with a second magnetron sputtering process, where x is... Hitachi Metals Ltd

10/19/17 / #20170298794

Ceramic honeycomb structure and its production method

A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 50-60%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) pore diameters at cumulative pore volumes corresponding to particular percentages of the... Hitachi Metals Ltd

10/19/17 / #20170298945

Compressor vane or blade for engine

When a compressor vane or blade for an engine is used in an environment containing abundant foreign substances, deposits originated from the foreign substances are likely to deposit on surfaces of the vane or blade. The compressor vane or blade according to the present disclosure has a base body of... Hitachi Metals Ltd

10/19/17 / #20170299456

Pressure sensor, differential pressure sensor, and mass flow rate control device using same

The present invention makes it possible to, even when a stainless steel is adopted in a diaphragm: prevent the diaphragm and a strain sensor from exfoliating from each other; be hardly susceptible to the influence of temperature in an operating environment; not allow the sensitivity of a pressure sensor to... Hitachi Metals Ltd

10/12/17 / #20170293308

Bypass unit, a base for a flow meter, a base for a flow controller, a flow meter, and a flow controller

Several types of flow apparatus are disclosed including bypass parts, mass flow meters, and mass flow controllers are disclosed. A bypass unit includes a bypass part that is a plate-like member and a pair of external connection parts that is a pair of plate-like members laminated on two principal surfaces... Hitachi Metals Ltd

10/12/17 / #20170293309

Mass flow controller and a controlling a mass flow rate

Mass flow controllers and methods for controlling mass flow rates are disclosed. A mass flow controller includes a pressure value measurement means that measures one or two or more pressure values derived from pressure P1 of fluid on an upstream side of a pressure difference generate means and pressure P2... Hitachi Metals Ltd

10/12/17 / #20170294255

Amorphous alloy magnetic core and manufacturing the same

An amorphous alloy magnetic core including a layered body in which amorphous alloy thin strips are layered one on another, the layered body having one end face and another end face in a width direction of the amorphous alloy thin strips, an inner peripheral surface and an outer peripheral surface... Hitachi Metals Ltd

10/12/17 / #20170294267

Method of manufacturing amorphous alloy magnetic core

A method of manufacturing an amorphous alloy magnetic core, which includes preparing a layered body by layering amorphous alloy thin strips one on another, and has one end face and another end face in a width direction of the thin strips and an inner peripheral surface and an outer peripheral... Hitachi Metals Ltd

10/05/17 / #20170283318

Glass bonding material and multilayer glass

This glass bonding material (21) is made of a cladding material (1) in which at least a first layer (11) made of an Al-based alloy and configured to be bonded to glass and a second layer (12) made of an Fe—Ni based alloy having a thermal expansion coefficient from 30°... Hitachi Metals Ltd

10/05/17 / #20170283926

Method of manufacturing ni-base superalloy

There is provided a method of manufacturing an Ni-base superalloy which enables a uniform coat of a glass lubricant to be maintained even after heated to hot forging temperature. The method of manufacturing an Ni-base superalloy in which a forging stock containing an Ni-base superalloy, coated with a lubricant, is... Hitachi Metals Ltd

10/05/17 / #20170284217

Ring molded article manufacturing method and ring material

A ring molded article manufacturing method capable of reliably and efficiently producing a ring molded article in which dead metal regions are reduced, and a ring material used for producing the ring molded article, are provided. The present invention relates to the method for manufacturing a ring molded article having... Hitachi Metals Ltd

10/05/17 / #20170284877

Torque sensor

A torque sensor includes a bobbin that includes a plurality of first inclined guide paths inclined at a predetermined angle relative to an axial direction and a second inclined guide paths inclined at a predetermined angle relative to the axial direction in a direction opposite, first and fourth detection coils... Hitachi Metals Ltd

10/05/17 / #20170285075

Current sensor

A current sensor includes a busbar carrying an electric current to be measured, a magnetic sensing element for detecting intensity of a magnetic field generated by the current flowing through the busbar, and a pair of shield plates that include a magnetic material and are arranged to sandwich the busbar... Hitachi Metals Ltd

10/05/17 / #20170285076

Current sensor

A current sensor includes a busbar carrying an electric current to be measured, a magnetic sensing element for detecting intensity of a magnetic field generated by the current flowing through the busbar, and a pair of shield plates that include magnetic materials and are arranged to sandwich the busbar in... Hitachi Metals Ltd

10/05/17 / #20170287590

Composite cable and composite harness

A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires which each include a first center conductor and a first insulation, a second twisted-pair wire formed by twisting a pair of second electric wires which each include a second center conductor and a... Hitachi Metals Ltd

10/05/17 / #20170287632

Radially anisotropic sintered ring magnet and its production method

A method for producing a radially anisotropic sintered ring magnet by continuously repeating a step of supplying magnetic powder to a die comprising a columnar magnetic core, and a cylindrical outer die having axially connected magnetic member and non-magnetic member, with a cavity between the core and the cylindrical outer... Hitachi Metals Ltd

10/05/17 / #20170288116

Stress relaxation structure and thermoelectric conversion module

To provide a stress relaxation structure that can achieve both high thermal conductivity and high thermal stress relaxation ability and has excellent vibration durability, and a thermoelectric conversion module having such a stress relaxation structure. The stress relaxation structure includes a rolled-up body having a first thermal conductor and a... Hitachi Metals Ltd

09/28/17 / #20170274478

Solder-coated ball and manufacturing same

A solder-coated ball (10A) includes a spherical core containing Ni and P; and a solder layer (12) formed to coat the core (11). A solder-coated ball (10B) further includes a Cu plating layer (13) formed between the core (11) and the solder layer (12). A solder-coated ball (10C) further includes... Hitachi Metals Ltd

09/28/17 / #20170275728

Steel for solid oxide fuel cells and manufacturing method thereof

5(7C+6N)/(7−4(7C+6N))≦Zr≦41(7C+6N)/(7+66(7C+6N))... Hitachi Metals Ltd

09/28/17 / #20170275736

Ni-base super alloy

There is provided an Ni-base super alloy which is used for airplane engines and gas turbines for power generation and has favorable mechanical properties at high temperature. The Ni-base super alloy contains 0.001 to 0.1 mass % of C, 1.0 to 4.0 mass % of Al, 2.0 to 4.5 mass... Hitachi Metals Ltd

09/28/17 / #20170275743

Method for manufacturing martensite-based precipitation strengthening stainless steel

The present invention is to provide a method for manufacturing a martensite-based precipitation strengthening stainless steel, which effectively enables crystal grains to become finer by improving a solution treatment method. The method for manufacturing a martensite-based precipitation strengthening stainless steel containing 0.01 to 0.05 mass % of C, 0.2 mass... Hitachi Metals Ltd

09/28/17 / #20170278607

Mnzn-based ferrite and manufacturing the same

Provided are: a MnZn-based ferrite which allows to have a low magnetic core loss and to suppress a time-dependent change of magnetic property under a high-temperature environment by a control of ambient oxygen concentration and an increase of the magnetic core loss, and a method for manufacturing the same. The... Hitachi Metals Ltd

09/28/17 / #20170280559

Ceramic substrate and production thereof

A ceramic substrate and a method for production thereof are provided, in which the ceramic substrate includes a composite of : a first ceramic layer including Sr anorthite and Al2O3 or an oxide dielectric with a dielectric constant higher than that of Al2O3; and a second ceramic layer including Sr... Hitachi Metals Ltd

09/21/17 / #20170266722

Light alloy wheel, manufacturing same, and device for manufacturing same

A method for manufacturing a light alloy wheel that includes a substantially annular rim part and a disc part that is joined to one edge of the rim part on an inner side and is to be attached to an axle. The method includes a molten metal pouring step for... Hitachi Metals Ltd

09/21/17 / #20170271063

Metal powder core comprising copper powder, coil component, and fabrication metal powder core

In a metal powder core constructed from soft magnetic material powder and a coil component employing this, a configuration suitable for reduction of a core loss is provided. The metal powder core constructed from soft magnetic material powder is characterized in that Cu is dispersed among the soft magnetic material... Hitachi Metals Ltd

Patent Packs
09/14/17 / #20170259361

Electrode wire for electrical discharge machining and manufacturing same

An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer covering a periphery of the core and including a zinc. The covering layer includes an inner layer including a γ-phase of copper-zinc based alloy and covering the periphery of the... Hitachi Metals Ltd

09/14/17 / #20170261265

Apparatus and manufacturing copper alloy material

There is provide an apparatus for manufacturing a copper alloy metal material, including: a tundish in which molten copper is stored; a pouring nozzle through which the molten copper passes, the molten copper being flowed out from the tundish; a pressure variation device that varies a pressure applied to the... Hitachi Metals Ltd

09/14/17 / #20170263350

Wire harness

A wire harness includes electric wires, and an electromagnetic wave suppression member that includes a restricting member and an annular magnetic core, the restricting member being provided to cover a periphery of the electric wires and including an inner wall portion more rigid than the electric wires, and the magnetic... Hitachi Metals Ltd

09/14/17 / #20170263353

Composite cable and composite harness

A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires, a second twisted-pair wire formed by twisting a pair of second electric wires, a pair of third electric wires arranged between the first and second twisted-pair wires in a circumferential direction, each third... Hitachi Metals Ltd

09/14/17 / #20170263379

Production r-t-b sintered magnet

A step of, while a powder of an RLM alloy (where RL is Nd and/or Pr; M is one or more elements selected from among Cu, Fe, Ga, Co, Ni and Al) which is produced through atomization and a powder of an RH compound (where RH is Dy and/or Tb)... Hitachi Metals Ltd

09/14/17 / #20170263380

Production r-t-b sintered magnet

A step of, while a powder of an RLM alloy (where RL is Nd and/or Pr; M is one or more elements selected from among Cu, Fe, Ga, Co, Ni and Al) and a powder of an RH compound (where RH is Dy and/or Tb; and the RH compound is... Hitachi Metals Ltd

09/14/17 / #20170263981

Bipolar laminated all-solid-state lithium-ion rechargeable battery and manufacturing same

There is provided a bipolar laminated all-solid-state lithium-ion rechargeable battery including bipolar electrodes and solid electrolyte layers that are alternately laminated. When viewed from a lamination direction of the battery, a current collector layer of each bipolar electrode has its outer edge inside the outer edge of a positive electrode... Hitachi Metals Ltd

09/14/17 / #20170264062

Composite cable and composite harness

[Problem] Provided are a composite cable and a composite harness that allow the improvement of cable termination workability while maintaining the flex resistance. [Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second... Hitachi Metals Ltd

09/14/17 / #20170264063

Composite cable and composite harness

[Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second electric wires 3 having a smaller outer diameter than the first electric wires 2 and a tape member 6 spirally wound around an... Hitachi Metals Ltd

09/07/17 / #20170253198

Cable and wire harness

A cable includes a plurality of electric wires, a paper tape wound around the plurality of electric wires, and an outer covering that covers a periphery of the paper tape and comprises a urethane-based resin. An air resistance of the paper tape as measured by Gurley tester method is not... Hitachi Metals Ltd

09/07/17 / #20170254666

Rotation angle sensor and correction the same

A rotation angle sensor includes a ring magnet that is provided around a rotating shaft, a magnetic field sensor that detects magnetic field strengths in radial and tangent directions of the rotating shaft, a rotation angle calculation section that calculates a rotation angle of the rotating shaft based on the... Hitachi Metals Ltd

09/07/17 / #20170255208

Mass flow controller

A mass flow controller includes a flow meter, a mechanical pressure-regulating valve disposed adjacent to and on an upstream side of the flow meter, and a flow control valve disposed on a downstream side of the flow meter. The mechanical pressure-regulating valve is embedded in a base of the mass... Hitachi Metals Ltd

09/07/17 / #20170256344

Method for manufacturing r-t-b based sintered magnet

where [T] is a T content in percent by mass, [B] is a B content in percent by mass, and [Ga] is a Ga content in percent by mass.... Hitachi Metals Ltd

09/07/17 / #20170256837

Differential transmission cable and multipair differential transmission cable

A differential transmission cable includes a pair of signal lines, an insulation covering the pair of signal lines, and a shielding tape that includes a conductor layer and an insulation layer formed on one surface of the conductor layer and is helically wound around the insulation. The diameter of the... Hitachi Metals Ltd

09/07/17 / #20170257256

Communication device

Provided is a communication device that includes a plurality of ports, through which a frame is transmitted and received, and that forms a network together with at least one adjacent device connected via at least one port among the plurality of ports. The communication device includes an information acquisition unit... Hitachi Metals Ltd

Patent Packs
08/24/17 / #20170240095

Steering switch device and steering wheel

A steering switch device, which is mounted on a steering wheel, includes a linear switch that includes a hollow insulator having restorability and two electrode wires arranged spirally along an inner surface of a hollow part in the hollow insulator while being kept not in contact with each other, wherein... Hitachi Metals Ltd

08/24/17 / #20170244572

Network system and relay device

A network system includes: a VXLAN region that is connected to a vEPC virtual network and in which encapsulation by VXLAN is performed; a PBB region in which encapsulation by PBB is performed; an edge router that belongs to the VXLAN region and is connected to an edge switch in... Hitachi Metals Ltd

08/17/17 / #20170232504

Casting green sand mold, and producing cast article using it

A casting green sand mold comprising at least a pair of green sand mold parts each having a cavity portion, which are stacked with their cavity portions aligned to form a metal-melt-receiving cavity; each of the green sand mold parts being formed by casting sand containing a binder and water;... Hitachi Metals Ltd

08/17/17 / #20170236617

Cable and harness

A cable includes a plurality of electric wires, a tape member wound around the plurality of electric wires, and a jacket that covers an outer periphery of the tape member and includes an urethane-based resin. The tape member includes a nonwoven fabric including one of a polyester, a polypropylene, an... Hitachi Metals Ltd

08/10/17 / #20170229212

Composite harness, manufacturing the same, and composite cable

A composite harness includes a composite cable that includes a plurality of first electric wires, a multicore wire formed by covering a plurality of second electric wires having a smaller diameter than the plurality of first electric wires with one urethane-based resin inner sheath to be in contact with the... Hitachi Metals Ltd

08/03/17 / #20170216747

Ceramic honeycomb structure and its production method, and honeycomb-molding die

A ceramic honeycomb structure comprising a ceramic honeycomb body having pluralities of longitudinal flow paths partitioned by square-lattice-cross-sectioned cell walls, and an outer peripheral wall formed on an outer periphery of the ceramic honeycomb body; the outermost peripheral cell wall of the ceramic honeycomb body having an outer peripheral surface... Hitachi Metals Ltd

08/03/17 / #20170217784

Fluorescent material, scintillator, scintillator array, and radiation detector

a relative density is 99% or more; and an effective atomic number is 35 or more and 60 or less.... Hitachi Metals Ltd

08/03/17 / #20170222830

Relay device and relay system

A plurality of management cards including an active card and a standby card are provided. The active card determines open or block of a ring port in accordance with an event based on a ring protocol, issues an open instruction or a block instruction to a line card, and notifies... Hitachi Metals Ltd

07/20/17 / #20170204486

Cold work tool material and manufacturing cold work tool

A cold work tool material has an annealed structure including carbides, and a composition including, in mass %, C: 0.80% to 2.40%, Cr: 5.0% to 15.0%, Mo and W contained alone or in combination in an amount of (Mo+½W): 0.50% to 3.00%, and V: 0.10 to 1.50%, and adjusted such... Hitachi Metals Ltd

07/20/17 / #20170204871

Compressor vane or blade for engine

A coating consists essentially of one or more selected from the group of nitrides of one or more first metals of titanium, zirconium and hafnium beyond 0 at % but less than 100 at % and a balance of silicon, and nitrides of one or more second metals of vanadium,... Hitachi Metals Ltd

07/20/17 / #20170207006

Differential transmission cable and multipair differential transmission cable

A differential transmission cable includes a pair of signal lines, an insulation covering the pair of signal lines, and a shielding tape helically wound around the insulation. The shielding tape includes a conductor and an insulation layer that is formed on one surface of the conductor and that has a... Hitachi Metals Ltd

07/20/17 / #20170207017

Magnetic core, producing magnetic core, and coil component

There is provided a magnetic core having high manufacturability and high magnetic permeability, to provide a method for manufacturing such a magnetic core, and to provide a coil component having such a magnetic core. The invention is directed to a magnetic core including: Fe-based soft magnetic alloy particles; and an... Hitachi Metals Ltd

06/29/17 / #20170183765

Method for producing r-t-b sintered magnet

A step is provided which performs a heat treatment at the sintering temperature of a sintered R-T-B based magnet or lower, while a powder of an RLM alloy (where RL is Nd and/or Pr; M is one or more selected from among Cu, Fe, Ga, Co and Ni) and a... Hitachi Metals Ltd

06/29/17 / #20170184418

In-vehicle detection device

An in-vehicle detection device includes a cable that includes a plurality of insulated electric wires that are formed by covering a central conductor with an insulator, and a sheath that collectively covers the insulated electric wires, a sensor that includes a sensor main body including a detection element, and a... Hitachi Metals Ltd

06/29/17 / #20170184441

On-tool mass flow controller diagnostic systems and methods

Mass flow controllers with on-tool diagnostic capabilities and methods for on-tool diagnosis of mass flow controllers are disclosed herein. One method includes opening a control valve to a fixed position and closing an upstream valve to produce a flow rate that decreases from a high flow rate, across a range... Hitachi Metals Ltd

06/29/17 / #20170185091

Gas insensitive mass flow control systems and methods

Gas insensitive systems and methods for controlling the mass flow rate of a gas through a primary conduit are disclosed. The method includes producing, in a secondary conduit, an assessment flow that has a changing pressure; calculating a first measure of a flow rate of the assessment flow based upon... Hitachi Metals Ltd

06/29/17 / #20170186513

Flexible cable

A flexible cable includes an outer sheath at an outermost portion. The outer sheath includes an inner layer made of an elastomer containing polypropylene resin, and an outer layer surrounding the inner layer and made of polypropylene resin.... Hitachi Metals Ltd

06/22/17 / #20170178775

Method for manufacturing magnetic core, magnetic core, and coil component using same

There is provided a magnetic core having both high strength and high resistivity, a coil component produced with such a magnetic core, and a magnetic core manufacturing method capable of easily manufacturing a magnetic core with high strength and high resistivity. The present invention provides a method for manufacturing a... Hitachi Metals Ltd

06/22/17 / #20170178805

Rapidly quenched fe-based soft-magnetic alloy ribbon and its production method and core

A rapidly quenched Fe-based soft-magnetic alloy ribbon having wave-like undulations on a free surface, the wave-like undulations having transverse troughs arranged at substantially constant intervals in a longitudinal direction, and the troughs having an average amplitude D of 20 mm or less, is produced by a method comprising (a) keeping... Hitachi Metals Ltd

06/15/17 / #20170166987

Hot-working tool material, manufacturing hot-working tool, and hot-working tool

Provided are a hot-working tool material having an annealed structure that is effective in suppressing variations in toughness when processed into a hot-working tool, a method for manufacturing a hot-working tool using the hot-working tool material, and a hot-working tool. The hot-working tool material has an annealed structure and is... Hitachi Metals Ltd

06/15/17 / #20170168035

System and detecting concentration of a gas in a gas stream

Systems and method for detecting a concentration of a gas in a gas stream are disclosed. A method includes receiving a gas stream including a carrier gas and a processing gas. Bridge voltages of a mass flow sensor are used to produce a processing-gas concentration signal and a gas-stream mass... Hitachi Metals Ltd

06/15/17 / #20170168036

System and determining a concentration of a constituent gas in a gas stream using pressure measurements

Systems and methods for determining a concentration of a constituent gas in a gas stream using pressure measurements are disclosed. A method may include a vaporizer receiving a carrier gas and a source material, and vaporizing the source material in the vaporizer to produce a gas stream including the carrier... Hitachi Metals Ltd

06/15/17 / #20170168509

Method for controlling flow rate of fluid, mass flow rate control device for executing method, and mass flow rate control system utilizing mass flow rate control device

A control operation of correcting, based on a difference between a target value and a measured value of a controlled response time, a standby time from change in a set value of a flow rate to a value that is not zero until start of output of an opening signal... Hitachi Metals Ltd








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