Patents by Inventor Tomoaki Terada
Tomoaki Terada 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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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: 11217796Abstract: An electrode catalyst and a method for producing the electrode catalyst are described, in which the electrode catalyst includes catalyst metal particles containing platinum or a platinum alloy, and carrier particles supporting the catalyst metal particles. The carrier particles are made of a carbonaceous material with a BET specific surface area of 700 m2/g or more. The catalyst metal particles have an average particle size of 2.5 to 4.5 nm, and a standard deviation of the particle size of the catalyst metal particles is 1.30 nm or less. The electrode catalyst has a high initial activity and is able to maintain that activity over a long period of time.Type: GrantFiled: April 17, 2018Date of Patent: January 4, 2022Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kotaro Horiai, Mikihiro Kataoka, Tomoaki Terada, Mikihiro Hori, Yuusuke Itou
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Patent number: 11147750Abstract: The purpose of the present invention is to provide a two-component cosmetic which, when a first formulation and a second formulation are sequentially applied, forms a uniform gel film on the skin while imparting a feeling of moisture permeating the skin, thereby providing an ideal skin feel. The present invention pertains to a two-component cosmetic containing: (1) a first formulation containing a gel formation-promoting substance; and (2) a second formulation containing a gel-forming substance. The two-component cosmetic is characterized in that the first formulation is applied to the skin, and then the second formulation is applied thereto.Type: GrantFiled: March 6, 2018Date of Patent: October 19, 2021Assignee: SHISEIDO COMPANY, LTD.Inventors: Takashi Oka, Tomoaki Terada, Ryo Furukawa
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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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Publication number: 20200246229Abstract: The present disclosure provides a powder-containing water-based composition having high powder dispersibility and stability even when the content by percentage of powder is high, and also having little stickiness. The powder-containing water-based composition includes (A) an aqueous phase constituting a continuous phase, (B) 10 to 45% by mass of a powder, and (C) 0.7% by mass or greater of a thickener. The thickener is a polymer that includes, as a constituent component, 2-acrylamido-2-methylsulfonic acid or a salt thereof. A content of an oily component is 15% by mass or less relative to the mass of the composition.Type: ApplicationFiled: July 3, 2018Publication date: August 6, 2020Applicant: SHISEIDO COMPANY, LTD.Inventors: Tomoaki TERADA, Kiyoshi TAKAHASHI, Yuta MANAKA, Motoharu KIMURA
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Publication number: 20200069539Abstract: The purpose of the present invention is to provide a two-component cosmetic which, when a first formulation and a second formulation are sequentially applied, forms a uniform gel film on the skin while imparting a feeling of moisture permeating the skin, thereby providing an ideal skin feel. The present invention pertains to a two-component cosmetic containing: (1) a first formulation containing a gel formation-promoting substance; and (2) a second formulation containing a gel-forming substance. The two-component cosmetic is characterized in that the first formulation is applied to the skin, and then the second formulation is applied thereto.Type: ApplicationFiled: March 6, 2018Publication date: March 5, 2020Applicant: SHISEIDO COMPANY, LTD.Inventors: Takashi OKA, Tomoaki TERADA, Ryo FURUKAWA
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Patent number: 10263260Abstract: A method for producing an electrode catalyst for a fuel cell is provided. The electrode catalyst includes a carbon support and a catalyst supported on the carbon support. The catalyst is one of platinum and a platinum-alloy. The method includes supporting the catalyst on the carbon support; and treating the carbon support carrying the catalyst with a nitric acid and cleaning the treated carbon support, such that an amount of an acid present on the carbon support becomes in a range from 0.7 mmol to 1.31 mmol of the acid per gram of the electrode catalyst.Type: GrantFiled: July 18, 2016Date of Patent: April 16, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, Cataler CorporationInventors: Tetsuo Nagami, Sozaburo Ohashi, Mikihiro Kataoka, Tomoaki Terada, Takahiro Nagata, Yosuke Horiuchi, Akihiro Hori
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Publication number: 20180316024Abstract: [Problem] The present invention has as its object the provision of an electrode catalyst for fuel cell with a high initial activity of the electrode catalyst and able to maintain that activity over a long period of time and a method of producing the same. [Solution] The present invention relates to an electrode catalyst for fuel cell, comprising catalyst metal particles containing platinum or a platinum alloy and carrier particles supporting the catalyst metal particles, wherein the carrier particles are made of a carbonaceous material with a BET specific surface area of 700 m2/g or more, wherein the catalyst metal particles have an average particle size of 2.5 to 4.5 nm, and wherein a standard deviation of the particle size of the catalyst metal particles is 1.30 nm or less.Type: ApplicationFiled: April 17, 2018Publication date: November 1, 2018Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kotaro HORIAI, Mikihiro KATAOKA, Tomoaki TERADA, Mikihiro HORI, Yuusuke ITOU
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Publication number: 20180151890Abstract: An object of the present invention is to provide a fuel-cell electrode catalyst in which a catalyst metal is uniformly supported on a support. This object can be achieved by a fuel-cell electrode catalyst comprising a support having pores and a catalyst metal uniformly supported on the support, wherein at least 80% of the support has a primary particle size within ±75% of the mean primary particle size of the support.Type: ApplicationFiled: January 25, 2018Publication date: May 31, 2018Applicant: CATALER CORPORATIONInventors: Tomohiro Ishida, Tomoaki Terada, Mikihiro Kataoka
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Publication number: 20180151888Abstract: An object of the present invention is to provide a fuel-cell electrode catalyst in which a catalyst metal is uniformly supported on a support. This object can be achieved by a fuel-cell electrode catalyst comprising a support having pores and a catalyst metal uniformly supported on the support, wherein at least 80% of the support has a primary particle size within ±75% of the mean primary particle size of the support.Type: ApplicationFiled: January 25, 2018Publication date: May 31, 2018Applicant: CATALER CORPORATIONInventors: Tomohiro ISHIDA, Tomoaki TERADA, Mikihiro KATAOKA
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Publication number: 20180151889Abstract: An object of the present invention is to provide a fuel-cell electrode catalyst in which a catalyst metal is uniformly supported on a support. This object can be achieved by a fuel-cell electrode catalyst comprising a support having pores and a catalyst metal uniformly supported on the support, wherein at least 80% of the support has a primary particle size within ±75% of the mean primary particle size of the support.Type: ApplicationFiled: January 25, 2018Publication date: May 31, 2018Applicant: CATALER CORPORATIONInventors: Tomohiro ISHIDA, Tomoaki TERADA, Mikihiro KATAOKA
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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: 20170012295Abstract: A method for producing an electrode catalyst for a fuel cell is provided. The electrode catalyst includes a carbon support and a catalyst supported on the carbon support. The catalyst is one of platinum and a platinum-alloy. The method includes supporting the catalyst on the carbon support; and treating the carbon support carrying the catalyst with a nitric acid and cleaning the treated carbon support, such that an amount of an acid present on the carbon support becomes in a range from 0.7 mmol to 1.31 mmol of the acid per gram of the electrode catalyst.Type: ApplicationFiled: July 18, 2016Publication date: January 12, 2017Applicants: Toyota Jidosha Kabushiki Kaisha, Cataler CorporationInventors: Tetsuo Nagami, Sozaburo Ohashi, Mikihiro Kataoka, Tomoaki Terada, Takahiro Nagata, Yosuke Horiuchi, Akihiro Hori
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Publication number: 20160240862Abstract: An object of the present invention is to provide a fuel-cell electrode catalyst in which a catalyst metal is uniformly supported on a support. This object can be achieved by a fuel-cell electrode catalyst comprising a support having pores and a catalyst metal uniformly supported on the support, wherein at least 80% of the support has a primary particle size within ±75% of the mean primary particle size of the support.Type: ApplicationFiled: October 9, 2014Publication date: August 18, 2016Applicant: CATALER CORPORATIONInventors: Tomohiro ISHIDA, Tomoaki TERADA, Mikihiro KATAOKA
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Publication number: 20160006042Abstract: An object of the present invention is to provide a supported catalyst for a fuel cell having a high activity, a method of manufacturing thereof, and a fuel cell including the supported catalyst for a fuel cell. A supported catalyst for a fuel cell of the present invention includes a conductive carrier and catalyst particle supported on the conductive carrier and contains platinum. The ratio of the mass of oxygen to the mass of the catalyst particle measured by using an inert gas fusion-nondispersive infrared absorption method is 4 mass % or less.Type: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yousuke Horiuchi, Tomoaki Terada, Takahiro Nagata, Akihiro Hori, Tetsuo Nagami, Takaaki Kanazawa, Mikihiro Kataoka
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Patent number: 8940452Abstract: A method for producing an electrode catalyst substrate is provided herein, which comprises a carbon film forming step of forming a porous carbon film on a base, a hydrophilization step of hydrophilizing the porous carbon film, an immersion step of immersing the base in a solution prepared by dissolving catalytic metal ions in a polar solvent, and a reduction step of adding a reducing agent to the solution and thus reducing the catalytic metal ions. An electrode catalyst substrate obtained by the method and a polymer electrolyte fuel cell in which the electrode catalyst obtained by the method is used for anodes and/or cathodes are also provided herein. In the electrode catalyst of the present invention, fine catalyst particles are loaded in a uniform and highly dispersed manner.Type: GrantFiled: June 25, 2008Date of Patent: January 27, 2015Assignees: Toyota Jidosha Kabushiki Kaisha, Cataler CorporationInventors: Kazuma Shinozaki, Atsuhito Okamoto, Tatsuya Hatanaka, Hiroaki Takahashi, Tomoaki Terada, Takahiro Nagata
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Publication number: 20130216940Abstract: An object of the present invention is to provide a supported catalyst for a fuel cell having a high activity, a method of manufacturing thereof, and a fuel cell including the supported catalyst for a fuel cell. A supported catalyst for a fuel cell of the present invention includes a conductive carrier and catalyst particle supported on the conductive carrier and contains platinum. The ratio of the mass of oxygen to the mass of the catalyst particle measured by using an inert gas fusion-nondispersive infrared absorption method is 4 mass % or less.Type: ApplicationFiled: March 22, 2013Publication date: August 22, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Yousuke HORIUCHI, Tomoaki TERADA, Takahiro NAGATA, Akihiro HORI, Tetsuo NAGAMI, Takaaki KANAZAWA, Mikihiro KATAOKA
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Patent number: 8372562Abstract: A conductive carbon carrier for a fuel cell having at least a surface layer graphitized, characterized in that the dimension (La) in a six-membered ring face (carbon plane) direction of a crystallite measured by X-ray diffraction is 4.5 nm or more. This carbon carrier improves the durability in a fuel cell and enables operation for a long period of time.Type: GrantFiled: March 29, 2007Date of Patent: February 12, 2013Assignees: Cataler Corporation, Toyota Jidosha Kabushiki KaishaInventors: Toshiharu Tabata, Tomoaki Terada, Takahiro Nagata, Susumu Enomoto, Yosuke Horiuchi, Hiroaki Takahashi, Tetsuo Kawamura, Hideyasu Kawai
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Patent number: 8338051Abstract: This invention relates to an electrode catalyst for a fuel cell comprising catalyst metal particles of noble metal-base metal-Ce (cerium) ternary alloy carried on carbon materials, wherein the noble metal is at least one member selected from among Pt, Ru, Rh, Pd, Ag and Au, the base metal is at least one member selected from among Ir, Co, Fe, Ni and Mn, and the relative proportion (i.e., the molar proportion) of noble metal:base metal:Ce (cerium) is 20 to 95:5 to 60:0.1 to 3. The electrode catalyst for a fuel cell inhibits deterioration of an electrolyte membrane or an electrolyte in an electrode catalyst layer, improves durability, and, in particular, improves the capacity for power generation in the high current density region.Type: GrantFiled: June 11, 2008Date of Patent: December 25, 2012Assignees: Toyota Jidosha Kabushiki Kaisha, Cataler CorporationInventors: Hiroaki Takahashi, Yosuke Horiuchi, Takahiro Nagata, Tomoaki Terada, Toshiharu Tabata