Patents by Inventor Yusuke Itoh
Yusuke Itoh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240145787Abstract: The present disclosure provides a processing method for a battery including an exterior body and an electrode body. The exterior body includes a case main body including a bottom wall, an opening that faces the bottom wall, and side walls that extend from the bottom wall to the opening, and a lid body that seals the opening of the case main body. This processing method includes a cutting step of, when a posture in which the lid body is positioned directly above in a vertical direction and the side walls extend along the vertical direction is defined as a normal posture, cutting the exterior body in a posture other than the normal posture along the opening.Type: ApplicationFiled: September 28, 2023Publication date: May 2, 2024Inventor: Yusuke ITOH
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Publication number: 20240117192Abstract: A method for manufacturing a surface-treated gas-phase-process silica particle, the method including steps of: adding 1,3-divinyl-1,1,3,3-tetramethyldisilazane to a raw material gas-phase-process silica particle and introducing a vinyldimethylsilyl group on a surface of the raw material gas-phase-process silica particle to obtain a preliminarily treated silica particle; and adding hexamethyldisilazane to the preliminarily treated silica particle and introducing a trimethylsilyl group on a surface of the preliminarily treated silica particle to obtain a surface-treated gas-phase-process silica particle.Type: ApplicationFiled: December 22, 2021Publication date: April 11, 2024Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Kazuyuki MATSUMURA, Masanobu NISHIMINE, Yusuke ITOH, Hisashi YAGI, Tsutomu NAKAMURA, Yoshiteru SAKATSUME
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Patent number: 11949113Abstract: An electrode catalyst for a fuel cell, the electrode catalyst having high initial activity and being capable of long-term retention of said activity; and a fuel cell using the electrode catalyst for a fuel cell. The electrode catalyst for a fuel cell includes catalyst metal particles that include platinum or a platinum alloy, and carrier particles that carry said catalyst metal particles, wherein the carrier particles are a carbonaceous material having a cumulative pore volume of 0.10 cc/g or less in the diameter range of 2 nm or less, and a BET specific surface area of greater than 900 m2/g; and a fuel cell comprising the electrode catalyst for a fuel cell.Type: GrantFiled: March 13, 2019Date of Patent: April 2, 2024Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikihiro Kataoka, Kotaro Horiai, Tomoaki Terada, Yusuke Itoh, Mikihiro Hori
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Patent number: 11258076Abstract: The present invention relates to an electrode catalyst for a fuel cell that includes a carbon support (11) having pores (13) and catalyst particles containing platinum or a platinum alloy supported on the carbon support (11). The pores (13) of the carbon support (11) have a mode size of pores (13) in a range of 2.1 nm to 5.1 nm. A total pore volume of the pores (13) of the carbon support (11) is in a range of 21 cm3/g to 35 cm3/g. A distance between the catalyst particles and a surface of the carbon support (11) is in a range of 2.0 nm to 12 nm as a distance of a 50% cumulative frequency.Type: GrantFiled: December 11, 2017Date of Patent: February 22, 2022Assignees: Toyota Jidosha Kabushiki Kaisha, Cataler Corporation, Nippon Steel Chemical & Material Co., Ltd.Inventors: Nobuaki Mizutani, Yusuke Itoh, Toru Yamamoto, Kotaro Horiai, Mikihiro Kataoka, Yuki Makino
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Patent number: 10950869Abstract: An object of the present invention is to achieve both high initial performance and durability performance of a fuel cell. Such object can be achieved by using a fuel cell electrode catalyst that includes a solid carbon carrier and an alloy of platinum and cobalt supported on the carrier.Type: GrantFiled: October 23, 2015Date of Patent: March 16, 2021Assignees: Cataler Corporation, Toyota Jidosha Kabushiki KaishaInventors: Yousuke Horiuchi, Tomoaki Terada, Akihiro Hori, Nobuaki Mizutani, Hiroo Yoshikawa, Yusuke Itoh
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Publication number: 20210043947Abstract: An electrode catalyst for a fuel cell, the electrode catalyst having high initial activity and being capable of long-term retention of said activity; and a fuel cell using the electrode catalyst for a fuel cell. The electrode catalyst for a fuel cell includes catalyst metal particles that include platinum or a platinum alloy, and carrier particles that carry said catalyst metal particles, wherein the carrier particles are a carbonaceous material having a cumulative pore volume of 0.10 cc/g or less in the diameter range of 2 nm or less, and a BET specific surface area of greater than 900 m2/g; and a fuel cell comprising the electrode catalyst for a fuel cell.Type: ApplicationFiled: March 13, 2019Publication date: February 11, 2021Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikihiro KATAOKA, Kotaro Horiai, Tomoaki TERADA, Yusuke ITOH, Mikihiro HORI
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Patent number: 10727410Abstract: A surface modifier for a transparent oxide electrode contains a reactive silyl compound represented by General Formula (1): Rf—X-A-SiR13-n(OR2)n??(1) in which, Rf is an aryl group having 10 or fewer carbon atoms that may have an alkyl substituent having 1 to 5 carbon atoms, wherein at least one hydrogen atom is replaced with a fluorine atom, X represents a divalent group selected from —O—, —NH—, —C(?O)O—, —C(?O)NH—, —OC(?O)NH—, —NHC(?O)NH—, or a single bond, A represents a straight chain, branched chain or cyclic aliphatic divalent hydrocarbon group having 1 to 10 carbon atoms, an aromatic divalent hydrocarbon group, or a single bond, a surface-modified transparent oxide electrode formed by coating with the surface modifier. A method for producing a surface-modified transparent oxide electrode is also provided.Type: GrantFiled: November 19, 2013Date of Patent: July 28, 2020Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Ayumu Kiyomori, Yusuke Itoh
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Publication number: 20200075964Abstract: The present invention relates to an electrode catalyst for a fuel cell that includes a carbon support (11) having pores (13) and catalyst particles containing platinum or a platinum alloy supported on the carbon support (11). The pores (13) of the carbon support (11) have a mode size of pores (13) in a range of 2.1 nm to 5.1 nm. A total pore volume of the pores (13) of the carbon support (11) is in a range of 21 cm3/g to 35 cm3/g. A distance between the catalyst particles and a surface of the carbon support (11) is in a range of 2.0 nm to 12 nm as a distance of a 50% cumulative frequency.Type: ApplicationFiled: December 11, 2017Publication date: March 5, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION, NIPPON STEEL Chemical & Material Co., Ltd.Inventors: Nobuaki MIZUTANI, Yusuke ITOH, Toru YAMAMOTO, Kotaro HORIAI, Mikihiro KATAOKA, Yuki MAKINO
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Patent number: 10533073Abstract: A 2-cyanoethyl-containing organoxysilane compound having the formula: NC—CH2—CH2—X—Si(OR1)3 is heat resistant and compatible with organic solvents. R1 is a C1-C20 monovalent hydrocarbon group, and X is a C2-C20 divalent hydrocarbon group which contains a methylene and/or methine moiety, at least one of the methylene and methine moieties being substituted with a divalent heteroatom linking moiety NR (wherein R is hydrogen, C1-C20 monovalent hydrocarbon group or 2-cyanoethyl), a trivalent heteroatom linking moiety N, or a combination thereof.Type: GrantFiled: September 5, 2017Date of Patent: January 14, 2020Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke Itoh, Ayumu Kiyomori
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Publication number: 20190382535Abstract: A 2-cyanoethyl-containing organoxysilane compound having the formula: NC—CH2—CH2—X—Si(OR1)3 is heat resistant and compatible with organic solvents. R1 is a C1-C20 monovalent hydrocarbon group, and X is a C2-C20 divalent hydrocarbon group which contains a methylene and/or methine moiety, at least one of the methylene and methine moieties being substituted with a divalent heteroatom linking moiety NR (wherein R is hydrogen, C1-C20 monovalent hydrocarbon group or 2-cyanoethyl), a trivalent heteroatom linking moiety N, or a combination thereof.Type: ApplicationFiled: August 28, 2019Publication date: December 19, 2019Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke ITOH, Ayumu KIYOMORI
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Patent number: 10494507Abstract: A photocurable composition comprising (a) a cyano-containing silsesquioxane, (b) a cyano-containing ethylenically unsaturated monofunctional monomer, (c) an ethylenically unsaturated polyfunctional monomer, and (d) a photo-polymerization initiator has a long shelf life under light-shielded conditions. A cured product obtained by curing the photocurable composition is a polymeric material which is transparent and lightweight and has a high dielectric constant.Type: GrantFiled: May 13, 2016Date of Patent: December 3, 2019Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Ayumu Kiyomori, Yusuke Itoh
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Patent number: 10403906Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.Type: GrantFiled: December 6, 2017Date of Patent: September 3, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.Inventors: Yusuke Itoh, Toru Yamamoto
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Patent number: 10355286Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.Type: GrantFiled: December 6, 2017Date of Patent: July 16, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.Inventors: Yusuke Itoh, Toru Yamamoto
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Publication number: 20180241046Abstract: There are provided a catalyst layer for a fuel cell electrode and a method of producing the same. The catalyst layer for a fuel cell electrode includes a metal-supported catalyst including a carbon carrier and a metal catalyst supported on the carbon carrier and a fluororesin ionomer. A value obtained when a primary particle diameter of the carbon carrier measured with an SEM, a pH value of the metal-supported catalyst measured by a specific method, and a ratio between a weight of the fluororesin ionomer and a weight of the carbon carrier of the metal-supported catalyst are applied to a specific formula is a certain value or more.Type: ApplicationFiled: February 20, 2018Publication date: August 23, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Yusuke Itoh, Mikihiro Hori, Mikihiro Kataoka, Kenji Yamamoto, Kotaro Horiai, Yuki Makino
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Publication number: 20180166696Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.Type: ApplicationFiled: December 6, 2017Publication date: June 14, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.Inventors: Yusuke ITOH, Toru Yamamoto
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Patent number: 9947871Abstract: A surface modifier for a metal electrode containing a reactive silyl compound represented by General Formula (1) Rf—X-A-SiR13-n(OR2)n??(1) wherein, Rf is an aryl group having 6 to 10 carbon atoms that may have an alkyl substituent having 1 to 5 carbon atoms or an alkyl group having 1 to 10 carbon atoms, wherein at least one hydrogen atom is replaced with a fluorine atom, X represents a divalent group selected from —O—, —NH—, —C(?O)O—, —C(?O)NH—, —OC(?O)NH—, and —NHC(?O)NH—, or a single bond, A represents a straight chain, branched chain or cyclic aliphatic divalent hydrocarbon group having 1 to 10 carbon atoms, an aromatic divalent hydrocarbon group having 6 to 10 carbon atoms, or a single bond, R1 is a monovalent hydrocarbon group having 1 to 3 carbon atoms, R2 represents a monovalent hydrocarbon group having 1 to 3 carbon atoms, an acetyl group, a propanoyl group, or a hydrogen atom, and n is an integer of 1 to 3, a metal electrode surface-modified with the surface modifier, and a method for producing a sType: GrantFiled: November 18, 2013Date of Patent: April 17, 2018Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke Itoh, Ayumu Kiyomori
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Publication number: 20180094092Abstract: A copolymer of triisopropylsilyl (meth)acrylate with a (meth)acrylic acid derivative having a Mn of 6,000-100,000 and a Mw/Mn of up to 2.0 is provided. A paint composition comprising the copolymer and a relatively small amount of an organic solvent has a low viscosity.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Yusuke ITOH, Tohru KUBOTA
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Publication number: 20180066112Abstract: A 2-cyanoethyl-containing organoxysilane compound having the formula: NC—CH2—CH2—X—Si(OR1)3 is heat resistant and compatible with organic solvents. R1 is a C1-C20 monovalent hydrocarbon group, and X is a C2-C20 divalent hydrocarbon group which contains a methylene and/or methine moiety, at least one of the methylene and methine moieties being substituted with a divalent heteroatom linking moiety NR (wherein R is hydrogen, C1-C20 monovalent hydrocarbon group or 2-cyanoethyl), a trivalent heteroatom linking moiety N, or a combination thereof.Type: ApplicationFiled: September 5, 2017Publication date: March 8, 2018Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke ITOH, Ayumu KIYOMORI
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Publication number: 20170338495Abstract: An object of the present invention is to achieve both high initial performance and durability performance of a fuel cell.Type: ApplicationFiled: October 23, 2015Publication date: November 23, 2017Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yousuke HORIUCHI, Tomoaki TERADA, Akihiro HORI, Nobuaki MIZUTANI, Hiroo YOSHIKAWA, Yusuke ITOH
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Publication number: 20160333171Abstract: A photocurable composition comprising (a) a cyano-containing silsesquioxane, (b) a cyano-containing ethylenically unsaturated monofunctional monomer, (c) an ethylenically unsaturated polyfunctional monomer, and (d) a photo-polymerization initiator has a long shelf life under light-shielded conditions. A cured product obtained by curing the photocurable composition is a polymeric material which is transparent and lightweight and has a high dielectric constant.Type: ApplicationFiled: May 13, 2016Publication date: November 17, 2016Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Ayumu KIYOMORI, Yusuke ITOH