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Tokuyama Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tokuyama Corporation-related inventors


Silicone oil-treated silica particles and toner for electrophotography

A silicone oil-treated silica particle according to the present invention includes a silica particle body and silicone oil. The silica particle body has a BET specific surface area of 70 m2/g to 120 m2/g. The silica particle body has been surface-treated with the silicone oil. The amount of free silicone... Tokuyama Corporation

Core wire holder and producing silicon

A core wire holder 3 attached on an electrode 2 placed on a bottom panel of a device 20 for producing silicon by Siemens process includes a silicon core wire holding portion 9 being generally circular truncated cone-shaped, and holding and energizing a silicon core wire 4. The silicon core... Tokuyama Corporation

Radiation shielding material and production method therefor

[Solving Means] A radiation shielding material includes: a resin composition containing a proportion of 20 to 80 vol % of fluoride powder containing barium as a constituent element. The fluoride powder is favorably barium fluoride or lithium barium fluoride, the resin favorably has a refractive index (n) of 1.4 to... Tokuyama Corporation

Apparatus for manufacturing group iii nitride single crystal, manufacturing group iii nitride single crystal using the apparatus, and aluminum nitride single crystal

An apparatus for manufacturing a group III nitride single crystal including: a reaction vessel including a reaction area, wherein in the reaction area, a group III source gas and a nitrogen source gas are reacted such that a group III nitride crystal is grown on a substrate; a susceptor arranged... Tokuyama Corporation

Teat pack material for lactating livestock, kit for forming teat pack for lactating livestock, and preventing mastitis in lactating livestock

A teat protective pack material for coating teats of lactating livestock to prevent mastitis is disclosed, the teat protective pack material including a polymer latex and a coagulant for coagulating the polymer latex to form a film. The teat protective pack material optionally includes a surfactant, a mold-releasing agent, a... Tokuyama Corporation

Pressurized fluid sterilizing apparatus

A pressurized fluid sterilizing apparatus including a pressure-resistant container or piping that provides pressurizing space, the pressurized fluid sterilizing apparatus sterilizing pressurized fluid such as pressurized gas and pressurized liquid in the container or piping by irradiating the pressurized fluid with ultraviolet rays, the pressurized fluid sterilizing apparatus being characterized... Tokuyama Corporation

Process for producing silicon single crystal

In a process for producing a silicon single crystal in which carbon is incorporated in order to inhibit crystal defects, provided is a process which easily allows carbon to be mixed and dissolved into a silicon melt. The process for producing a silicon single crystal, which involves allowing a silicon... Tokuyama Corporation

Method for manufacturing reproduction of painting

An object of the present invention is to provide a method for manufacturing a reproduction of a painting, which can use different types of paintings as original paintings and reproduce the matiere of the original painting and which also improves the light stability of ink. According to the present invention,... Tokuyama Corporation

Cleaning method and laminate of aluminum nitride single-crystal substrate

A method for effectively removing minute impurities of 1 μm or less in size that are present on a surface of an aluminum nitride single-crystal substrate without etching the surface includes scrubbing a surface of an aluminum nitride single-crystal substrate using a polymer compound material having lower hardness than an... Tokuyama Corporation

Polycrystalline silicon fragment, manufacturing polycrystalline silicon fragment, and polycrystalline silicon block fracture device

Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks wherein a content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 μm is 0.1 to 40 ppmw.... Tokuyama Corporation

Coating composition and optical article having a coat layer made of the coating composition

A coating composition comprising inorganic oxide fine particles containing at least one element selected from the group consisting of Ti, Zr, Sn and Sb, a hydrolysable group-containing organic silicon compound, and (C1) a surfactant having an HLB value of 8 or less and (C2) a surfactant having an HLB value... Tokuyama Corporation

Polysilicon package

In a polysilicon package in which the bag 1 formed from a polyethylene-based resin having an average thickness of 300 μm or less is filled with the Si chunks 4, the bag 1 has a heat-sealed bonded part 2 at the bottom and is filled with the Si chunks 4... Tokuyama Corporation

N-type aluminum nitride monocrystalline substrate

A silicon-doped n-type aluminum nitride monocrystalline substrate wherein, at a photoluminescence measurement at 23° C., a ratio (I1/I2) between the emission spectrum intensity (I1) having a peak within 370 to 390 nm and the emission peak intensity (I2) of the band edge of aluminum nitride is 0.5 or less; a... Tokuyama Corporation

Odorant for fuel gases for anion membrane fuel cells, fuel gas and power generation system using anion membrane fuel cell

An odorant for fuel gases for anion membrane fuel cells, which imparts a fuel gas with an odor, includes at least one or more substances selected from the group consisting of ammonia, trimethylamine, triethylamine, N,N-diethylmethylamine, N,N-dipropylmethylamine, N,N-dipropylethylamine, N,N-diisopropylmethylamine, N,N-diisopropylethylamine, dimethylamine, diethylamine, dipropylamine, ethylmethylamine, propylmethylamine, propylethylamine, methylamine, ethylamine and propylamine.... Tokuyama Corporation

Anion conductor and layered metal hydroxide

The present invention provides a novel anion conductor which comprises a layered metal hydroxide and can be used as an alkaline electrolyte film for use in a fuel cell or the like. An anion conductor characterized by comprising a molded product of a layered metal hydroxide represented by formula (1):... Tokuyama Corporation

Curable composition and photochromic composition

(wherein B and B′ are each an linear or branched alkylene group having 2 to 15 carbon atoms, “c” is an average value of 1 to 20, when a plurality of B's are existent, B's may be the same or different, and R5 and R6 are each a hydrogen atom... Tokuyama Corporation

Photopolymerization device and production lens that has photochromic coating layer

A photopolymerization device (20) has: a workpiece holding part (1) that holds a workpiece (W); and a photoirradiation device (6) that is arranged above the workpiece holding part (1) and that radiates light toward the workpiece (W). The photopolymerization device (20) is configured such that a reflecting plate (3) that... Tokuyama Corporation

Printed makeup product and makeup method

The printed makeup product of the present invention includes a base sheet 1, an inorganic solid layer 3 provided on the base sheet, and an ink-jet printed image 5 formed on the inorganic solid layer 3. A makeup material is applied onto the ink-jet printed image 5. The surface of... Tokuyama Corporation

Partially quaternized styrene-based copolymer, ionic-conductivity imparter, catalytic electrode layer, membrane/electrode assembly and process for producing same, gas diffusion electrode and process for producing same, and fuel cell of anion exchange membrane type

A partially quaternized styrene-based polymer contains given amounts of a constituent unit having a quaternary salt type anion-exchange group and a constituent unit having a haloalkyl group. Due to the polymer, the ionic conductivity and the gas diffusion properties are kept high and the swelling of the electrode catalyst layer... Tokuyama Corporation

Neutron scintillator and neutron detector

The neutron scintillator comprises a resin composition having eutectic particles incorporated in a resin having a similar refractive index, the eutectic particles having a sphere equivalent diameter of the order of 50 to 1000 μm and being composed of lithium fluoride and an inorganic fluorescent material, such as MgF2, CaF2... Tokuyama Corporation








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