223 patents
Page 7 of 12
Utility
Apparatus for manufacturing group III nitride single crystal, method for manufacturing group III nitride single crystal using the apparatus, and aluminum nitride single crystal
31 May 22
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 in the reaction area and supporting the substrate; a group III source gas supply nozzle supplying the group III source gas to the reaction area; and a nitrogen source gas supply nozzle supplying the nitrogen source gas to the reaction area, wherein the nitrogen source gas supply nozzle is configured to supply the nitrogen source gas and at least one halogen-based gas selected from the group consisting of a hydrogen halide gas and a halogen gas to the reaction area.
Toru Nagashima, Masayuki Fukuda
Filed: 24 May 19
Utility
Chlorosilane Producing Method
26 May 22
Provided is a method for stably conducting a process for producing chlorosilanes by a chlorination reaction of metallic silicon.
Katsuya Ogihara, Shoji Iiyama, Kunihiko Matsumura
Filed: 26 Feb 20
Utility
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26 May 22
Katsuhiro MORI, Takao NOGUCHI, Junji MOMODA
Filed: 3 Apr 20
Utility
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24 May 22
Makoto Satou, Misao Matsushige, Seketsu Fukuzawa, Masaki Takiwaki
Filed: 11 Jun 19
Utility
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17 May 22
A method for producing a polycrystalline silicon processed article includes removing a polycrystalline silicon rod, obtained by precipitating polycrystalline silicon on a silicon core wire held by a carbon member connected to an electrode in a reactor by the Siemens method, in a state in which the carbon member is included at the end portion thereof and processing the polycrystalline silicon rod.
Ayao Akiyoshi
Filed: 7 Mar 18
Utility
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10 May 22
An aluminum nitride particle including: a plurality of planes randomly arranged in a surface of the particle, the plurality of planes forming an obtuse ridge part or an obtuse valley part in the surface of the particle, the plurality of planes being observable in a scanning electron micrograph with 500 times magnification; wherein the particle has a longer diameter L of 20 to 200 μm; a ratio L/D of the longer diameter L (unit: μm) to a shorter diameter D (unit: μm) of the particle is 1 to 1.25; and the plurality of planes comprise a first plane, wherein an area S (unit: μm2) of the first plane satisfies S/L≥1.0 μm.
Akimasa Kuramoto, Yukihiro Kanechika
Filed: 27 Apr 18
Utility
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5 May 22
The present invention provides an application auxiliary tool that enables easy and quick application of a protective patch to a teat of a domestic animal, and a method of easily and quickly applying a protective patch to a teat of a domestic animal using the application auxiliary tool.
Emi USHIODA, Yoji INUI, Katsuhiro SHIRAI, Hitoshi KONDO, Kie YAMADA
Filed: 13 Jun 19
Utility
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3 May 22
The electrolysis vessel for alkaline water electrolysis includes an anode end unit, a cathode end unit, anode chamber cells, cathode chamber cells, and separating membranes.
Yasuyuki Tanaka, Ryouta Umebayashi
Filed: 12 Mar 19
Utility
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5 Apr 22
A method of manufacturing polycrystalline silicon rod, wherein a reactor for manufacturing a polycrystalline silicon rod includes gas supply nozzles, and at least one nozzle is a flow rate amplification nozzle having a function that the amount of a silicon deposition raw material gas supplied to the nozzle can be increased.
Takafumi Tatsukawa, Yasumasa Aimoto
Filed: 27 Mar 19
Utility
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24 Mar 22
A polycrystalline silicon lump packaging body is a packaging body in which the resin bag is filled with the polycrystalline silicon lumps having a surface metal concentration of 1000 pptw or less, in which a nitrate ion amount and preferably a fluorine ion amount present inside the packaging body are each 50 μg/L or less with respect to a filling void of the polycrystalline silicon lumps formed when the packaging body is left at 25° C. under 1 atm.
Manabu Sakida
Filed: 21 Jan 20
Utility
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10 Mar 22
A method for producing purified chlorosilanes includes bringing crude chlorosilanes, such as crude trichlorosilane and crude silicon tetrachloride, which contain a boron compound and/or a phosphorus compound, into contact with chlorine (preferably 1 ppm mole to 3000 ppm mole with respect to 1 mole of crude chlorosilanes) in presence of alkylphenol such as 2-methylphenol, and then distilling the crude chlorosilanes.
Junya Sakai, Shoji Iiyama
Filed: 21 Jan 20
Utility
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10 Mar 22
Yuki KIKKAWA, Tomoaki SATO, Takafumi SHIMODA, Takayuki NEGISHI
Filed: 13 Feb 20
Utility
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3 Mar 22
When producing chlorosilanes by a reaction between metallic silicon and hydrogen chloride, as the above metallic silicon, a metallic silicon powder having an oil adhering amount of 5 ppmw or less is subjected to the reaction as the metallic silicon.
Katsuya Ogihara, Shoji Iiyama, Kunihiko Matsumura
Filed: 20 Dec 19
Utility
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24 Feb 22
The present invention is an optical material composition containing (A) 100 parts by mass of a polymerizable monomer, and (B) 0.001 to 0.3 parts by mass of a UV absorbent having a maximum absorption wavelength of 360 nm or more and less than 380 nm and having a specific structure, and an optical material formed of the composition.
Ayako OHARA, Taichi HANASAKI, Junji TAKENAKA, Junji MOMODA
Filed: 17 Dec 19
Utility
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24 Feb 22
The present invention relates to a curable composition for an optical material, containing (A) 100 parts by mass of a radical polymerizable monomer, (B) 0.1 to 5 parts by mass of an ultraviolet absorber composed of a benzotriazole compound having a specific structure, which has a maximum absorption wavelength of 360 nm or more and less than 380 nm and an absolute value of the difference in solubility parameter (SP value) from the radical polymerizable monomer (A) of 5.5 (cal/cm3)1/2 or less, (C) 1 to 5 parts by mass of an ultraviolet absorber which is at least one selected from a benzotriazole compound, a benzophenone compound and a triazine compound and has a maximum absorption wavelength of less than 360 nm, and (D) 0.05 to 0.5 parts by mass of a radical polymerization initiator.
Taichi HANASAKI, Ayako OHARA, Junji TAKENAKA, Junji MOMODA
Filed: 17 Dec 19
Utility
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22 Feb 22
Efficiency of producing polycrystalline silicon is improved.
Masayoshi Nishikawa, Yuji Inoue
Filed: 14 Feb 18
Utility
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22 Feb 22
A silicone oil-treated fumed silica and a method of producing the silicone oil-treated fumed silica are provided.
Takayuki Maehara, Qingtao Zhou, Jianzhang Dai
Filed: 27 Mar 18
Utility
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17 Feb 22
The present invention relates to a curable composition for an optical material, containing (A) 100 parts by mass of a radical polymerizable monomer, (B) 0.005 to 0.5 parts by mass of a tetraazaporphyrin compound having a maximum absorption wavelength in a range of 560 nm or more and 620 nm or less, and (C) 0.1 to 10 parts by mass of an ultraviolet absorber having a maximum absorption wavelength in a range of 330 nm or more and 350 nm or less.
Ayako OHARA, Taichi HANASAKI, Junji TAKENAKA, Junji MOMODA
Filed: 17 Dec 19
Utility
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15 Feb 22
The present invention relates to an active pharmaceutical ingredient carrier and a production method of the same.
Yoshimi Hironaka, Tadahiro Fukuju, Hiromasa Yamamoto
Filed: 17 May 18
Utility
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10 Feb 22
Manami Oshio, Seiji Tono, Yoshiki Seike
Filed: 9 Dec 19