Patents by Inventor Yuta SHINTAKU
Yuta SHINTAKU 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).
-
Patent number: 11929511Abstract: A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the electrolyte membrane before bonding; and a thermocompression bonding step of bonding, to the catalyst layer, the electrolyte membrane to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity.Type: GrantFiled: December 21, 2020Date of Patent: March 12, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Yuta Shintaku, Ryuta Sakashita, Daisuke Izuhara, Kiyoshi Minoura, Mei Kumagai
-
Publication number: 20230246203Abstract: An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.Type: ApplicationFiled: April 10, 2023Publication date: August 3, 2023Applicant: TORAY INDUSTRIES, INC.Inventors: Ryuta SAKASHITA, Yuta SHINTAKU, Daisuke IZUHARA, Kiyoshi MINOURA, Mei ABE
-
Patent number: 11652215Abstract: An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.Type: GrantFiled: July 17, 2019Date of Patent: May 16, 2023Assignee: TORAY INDUSTRIES, INC.Inventors: Ryuta Sakashita, Yuta Shintaku, Daisuke Izuhara, Kiyoshi Minoura, Mei Abe
-
Publication number: 20230058120Abstract: A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the electrolyte membrane before bonding; and a thermocompression bonding step of bonding, to the catalyst layer, the electrolyte membrane to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity.Type: ApplicationFiled: December 21, 2020Publication date: February 23, 2023Applicant: TORAY INDUSTRIES, INC.Inventors: Yuta SHINTAKU, Ryuta SAKASHITA, Daisuke IZUHARA, Kiyoshi MINOURA, Mei KUMAGAI
-
Publication number: 20230027116Abstract: A method of manufacturing a membrane-electrode assembly including an electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the catalyst layer before bonding; and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer-formed gas diffusion layer to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer-formed gas diffusion layer and the electrolyte membrane with high productivity.Type: ApplicationFiled: December 21, 2020Publication date: January 26, 2023Applicant: TORAY INDUSTRIES, INC.Inventors: Yuta SHINTAKU, Ryuta SAKASHITA, Daisuke IZUHARA, Kiyoshi MINOURA, Mei KUMAGAI
-
Publication number: 20210273236Abstract: An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.Type: ApplicationFiled: July 17, 2019Publication date: September 2, 2021Applicant: TORAY INDUSTRIES, INC.Inventors: Ryuta SAKASHITA, Yuta SHINTAKU, Daisuke IZUHARA, Kiyoshi MINOURA, Mei ABE
-
Publication number: 20180290441Abstract: A method of producing an assembly including a polymer electrolyte membrane includes a step of preliminary pressure application wherein a pressure is continuously applied to a recipient sheet including a polymer electrolyte membrane and an assembling sheet including an assembling layer to be assembled to at least one surface of the recipient sheet, the pressure being applied to the recipient sheet and the assembling layer of the assembling sheet being in contact with each other, and a step of heated pressure application wherein the recipient sheet and the assembling sheet after the preliminary pressure application step are subjected to continuous pressure application with heating.Type: ApplicationFiled: November 15, 2016Publication date: October 11, 2018Inventors: Shinya Adachi, Yuka Fujieda, Daisuke Izuhara, Yuta Shintaku
-
Publication number: 20160109623Abstract: The present invention provides a display device which can attain higher contrast than that of the conventional display device. The display device (1) comprises: an image light source (2); and an optical sheet (10) having a plurality of layers for controlling an incident light from the image light source and for outputting the light to the observer side, wherein the optical sheet comprises an optical functional sheet layer (12) in which light-transmissive portion(s) (13) configured to transmit light and light-absorbing portion(s) (14) configured to absorb light are alternately arranged along the sheet plane, and only one layer (11) or a plurality of layers of which refractive indices are substantially the same is(are) provided on the observer side of the optical functional sheet layer.Type: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Inventors: Tsuyoshi KASHIWAGI, Naoyuki MITSUYASU, Yuta SHINTAKU
-
Publication number: 20110043542Abstract: The present invention provides a display device which can attain higher contrast than that of the conventional display device. The display device (1) comprises: an image light source (2); and an optical sheet (10) having a plurality of layers for controlling an incident light from the image light source and for outputting the light to the observer side, wherein the optical sheet comprises an optical functional sheet layer (12) in which light-transmissive portion(s) (13) configured to transmit light and light-absorbing portion(s) (14) configured to absorb light are alternately arranged along the sheet plane, and only one layer (11) or a plurality of layers of which refractive indices are substantially the same is (are) provided on the observer side of the optical functional sheet layer.Type: ApplicationFiled: July 2, 2010Publication date: February 24, 2011Inventors: Tsuyoshi KASHIWAGI, Naoyuki MITSUYASU, Yuta SHINTAKU