223 patents
Page 5 of 12
Utility
Elastic Mat for Alkaline Water Electrolysis Vessel
1 Dec 22
An elastic mat for an alkaline water electrolysis vessel includes: at least one wire net being woven or knitted with a metal wire and having spring elasticity in a thickness direction thereof, wherein the metal wire is a solid wire having a diameter of 0.16 to 0.29 mm, or a stranded wire including a plurality of solid wires each having a diameter of 0.08 to 0.15 mm, or any combination thereof.
Yasuyuki TANAKA, Harumi SUEOKA
Filed: 23 Oct 20
Utility
Protective Structure for Silicon Rod and Method for Manufacturing Silicon Rod
1 Dec 22
It is possible to carry out an operation to open a reactor while checking a falling over status of a silicon rod.
Junya SAKAI, Kazuhiro KAWAGUCHI
Filed: 28 May 20
Utility
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29 Nov 22
A method for efficiently producing polysilicon is realized.
Makoto Kamada
Filed: 4 Jun 18
Utility
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24 Nov 22
A dehydration method in accordance with an embodiment of the present invention includes: a first dehydration step of bringing hydrogen chloride gas (21) and concentrated sulfuric acid (13A) into contact with each other; and a second dehydration step of bringing hydrogen chloride gas (21A) that has been obtained through the first dehydration step into contact with concentrated sulfuric acid (13B).
Junya SAKAI, Shoji IIYAMA
Filed: 4 Sep 20
Utility
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22 Nov 22
A gas production apparatus including: an electrolysis vessel; first and second electrolyte circulation systems; and an electrolyte exchanger, the first/second electrolyte circulation system including: a first/second circulation tank receiving and storing a first/second electrolyte flowing out from an anode chamber/a cathode chamber; and a first/second circulation pump supplying the first/second electrolyte to the anode chamber/the cathode chamber, the electrolyte exchanger transferring part of the first electrolyte existing in the first electrolyte circulation system into the second electrolyte circulation system on one hand, and transferring part of the second electrolyte existing in the second electrolyte circulation system into the first electrolyte circulation system on the other hand.
Yasuyuki Tanaka, Yoshikazu Kodama, Daisuke Matsunaga
Filed: 18 Jul 19
Utility
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17 Nov 22
Provided is a production method which makes it possible to improve a filling property, with respect to a resin, of a hexagonal boron nitride powder which contains hexagonal boron nitride particles each having a low aspect ratio, while maintaining low thermal conduction anisotropy of the hexagonal boron nitride powder.
Yuichi IKEDA, Shota DAIKI, Kyoichi FUJINAMI, Teruhiko NAWATA, Katsuya TESHIMA, Tetsuya YAMADA
Filed: 20 Oct 20
Utility
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17 Nov 22
A group III nitride single crystal substrate comprises: a first main face; and a first back face opposite to the first main face, wherein an absolute value of a radius of curvature of the first main face of the substrate is 10 m or more; an absolute value of a radius of curvature of a crystal lattice plane at a center of the first main face of the substrate is 10 m or more; and a 1/1000 intensity width of an X-ray rocking curve of a low-incidence-angle face at the center of the first main face of the substrate is 1200 arcsec or less.
Toru NAGASHIMA
Filed: 24 Dec 20
Utility
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15 Nov 22
A crushed polycrystalline silicon lump is provided in which a surface metal concentration is 15.0 pptw or less and preferably 7.0 to 13.0 pptw, and in the surface metal concentration, a surface tungsten concentration is 0.9 pptw or less and preferably 0.40 to 0.85 pptw, and a surface cobalt concentration is 0.3 pptw or less and preferably 0.04 to 0.08 pptw.
Shigeki Nishimura
Filed: 25 Mar 19
Utility
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10 Nov 22
A method for producing halogen oxyacid, which includes a step of continuously supplying and mixing an organic alkali solution and a halogen and continuously collecting a reaction solution containing halogen oxyacid, and an production apparatus of halogen oxyacid, which includes a reactor, a means of supplying an organic alkali solution to the reactor, a means of supplying a halogen to the reactor, and a means of collecting a reaction solution for taking out the reaction solution from the reactor, in which the organic alkali solution and the halogen are continuously supplied by the means of supplying an organic alkali solution and the means of supplying a halogen, respectively, to the reactor so as to be mixed therein such that a solution containing halogen oxyacid is generated as a reaction solution, and the reaction solution is continuously collected by the means of collecting a reaction solution are provided.
Takayuki NEGISHI, Takafumi SHIMODA, Akihiro SAITO, Naoki MATSUDA, Masayuki MORIWAKI
Filed: 16 Apr 21
Utility
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3 Nov 22
A liner for a teat cup of a milking device is provided.
Hitoshi Kondo, Yoji Inui
Filed: 18 Sep 20
Utility
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13 Oct 22
A treatment liquid for cleaning a semiconductor wafer is a treatment liquid containing (A) a hypochlorite ion and (C) a solvent, in which pH at 25° C. is more than 7 and less than 12.0.
Takafumi Shimoda, Takayuki Negishi, Yuki Kikkawa, Seiji Tono
Filed: 23 Jun 22
Utility
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13 Oct 22
Provided are: a semiconductor treatment liquid containing a hypobromite ion, in which the concentration of the hypobromite ion is 0.1 μmol/L or more and less than 0.001 mol/L; a RuO4 gas generation inhibitor containing an onium salt composed of an onium ion and a bromine-containing ion, in which the hypobromite ion concentration is 0.1 μmol/L or more and less than 0.001 mol/L; and a method of producing a halogen oxyacid, the method including allowing a bromine salt, an organic alkali, and a halogen to react with each other to obtain the halogen oxyacid.
Yuki KIKKAWA, Tomoaki SATO, Takayuki NEGISHI
Filed: 30 Mar 22
Utility
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11 Oct 22
Provided is a method for efficiently producing ferric citrate hydrate with high purity and various specific surface areas.
Takayuki Miyaoku, Kohei Saito
Filed: 9 Nov 18
Utility
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11 Oct 22
Yoshiki Seike, Seiji Tono, Kenji Kobayashi, Sei Negoro
Filed: 4 Feb 20
Utility
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6 Oct 22
Provided is a method of producing a quaternary alkyl ammonium hypochlorite solution with an excellent storage stability.
Takafumi SHIMODA, Yuki KIKKAWA, Tomoaki SATO, Takayuki NEGISHI
Filed: 13 Jun 22
Utility
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6 Oct 22
A clinker that has a total content of C3A and C4AF of 22 to 40 mass %, calculated according to Bogue's formulas, and an iron modulus of 0.8 to 1.3 is pulverized with gypsum.
Akiyoshi MORI, Takashi CHABAYASHI, Takuya SEKI, Hiroyoshi KATO
Filed: 9 Apr 20
Utility
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6 Oct 22
A ruthenium oxide gas absorbent liquid includes an organic alkali solution containing a ligand and/or an onium salt composed of an onium ion and an anion, at least part of which is a hydroxide ion, wherein the hydroxide ion has a concentration ranging from more than 1×10−7 mol/L to 6 mol/L or less.
Tomoaki SATO, Yuki KIKKAWA, Takafumi SHIMODA, Takayuki NEGISHI, Shigenori MAEDA
Filed: 17 Jun 20
Utility
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6 Oct 22
Amorphous silica-titania composite oxide powder is powder untreated with a surface treatment agent and consisting of amorphous silica-titania composite oxide particles, wherein: a refractive index at a measurement wavelength of 589 nm is not less than 1.46; a volume-based cumulative 50% diameter is 0.1 μm to 2.0 μm; and a content of particles having a particle size of not less than 5.0 μm is not more than 10 ppm, and wherein, in a case where the powder is dried in an atmospheric air at 110° C. for 12 hours, and powder thus dried is stored for 24 hours at a temperature of 25° C. and a relative humidity of 85% so as to absorb moisture, a water absorption rate is not more than 0.8% by mass as calculated from a mass X before moisture absorption and a mass Y after the moisture absorption in accordance with the formula: (Y−X)/X×100.
Masao ARIYUKI, Osamu TANAKA, Kazuhiro FUKUNAGA, Mari AOKI
Filed: 5 Jun 20
Utility
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22 Sep 22
Yuki KIKKAWA, Tomoaki SATO, Takafumi SHIMODA, Takayuki NEGISHI
Filed: 6 Aug 21
Utility
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15 Sep 22
Aggregation of metal oxide powder is appropriately reduced.
Tadaharu KOMATSUBARA
Filed: 4 Aug 20