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).

  • Publication number: 20250023133
    Abstract: Provided is a technique of making it easier to separate a bus bar from an electrical energy storage device. An electrical energy storage module includes a plurality of electrical energy storage devices and a bus bar. The electrical energy storage devices are arranged in a first direction. The bus bar is provided to link two of the electrical energy storage devices that are adjacent to each other in the first direction. The bus bar includes a grip part. The grip part is a projection protruding from a surface of the bus bar or a penetration hole.
    Type: Application
    Filed: July 4, 2024
    Publication date: January 16, 2025
    Inventors: Yusuke ITOH, Yozo UCHIDA
  • Publication number: 20240283066
    Abstract: Provided is a technique for improving impregnation efficiency of an electrolyte solution into a wound electrode body. A method for manufacturing an electricity storage device is disclosed herein. The electricity storage device includes an electrode body, a case, and an electrolyte solution. The case includes a body having a wide rectangular first wall and an opening opposed to the first wall, and a sealing plate that seals the opening and is opposed to the first wall. This method includes an accommodating step, an injecting step, and a sealing step. In the accommodating step, the electrode body is accommodated in the body to make the wide surfaces opposed to the first wall. In the injecting step, the electrolyte solution is injected into the body after the accommodating step. In the sealing step, the opening of the body is sealed with the sealing plate after the injecting step.
    Type: Application
    Filed: February 5, 2024
    Publication date: August 22, 2024
    Inventors: Yozo UCHIDA, Yusuke ITOH
  • Publication number: 20240194982
    Abstract: Provided is a lithium ion secondary battery that facilitates cutting of a battery case without damage to an electrode body in disassembling the lithium ion secondary battery. A lithium ion secondary battery disclosed here includes an electrode body, an electrolyte, and a battery case housing the electrode body and the electrolyte. The battery case is provided with information on a cut position in disassembling the battery case.
    Type: Application
    Filed: October 30, 2023
    Publication date: June 13, 2024
    Inventor: Yusuke ITOH
  • Publication number: 20240194983
    Abstract: A rectangular lithium ion secondary battery disclosed here includes an electrode body, an electrolyte, and a rectangular battery case housing the electrode body and the electrolyte. The battery case includes an outer case and a lid. The battery case includes a welded portion in which the outer case and the lid are joined by welding. The outer case includes a rectangular bottom wall facing the lid, a pair of long walls, and a pair of short walls. The electrode body has a flat portion in which a positive electrode and a negative electrode are stacked. At least one of the pair of long walls of the outer case includes a groove located between the lid and an end of the flat portion of the electrode body toward the lid in a direction perpendicular to the lid.
    Type: Application
    Filed: October 30, 2023
    Publication date: June 13, 2024
    Inventor: Yusuke ITOH
  • Publication number: 20240170805
    Abstract: Provided is a battery module enabling accurate cutting of a bus bar without damage to secondary batteries. A battery module disclosed here includes a plurality of secondary batteries, and a bus bar electrically connecting the secondary batteries. Each of the secondary batteries includes a battery case. The battery module is provided with information on a cut position of the bus bar in disassembling the battery module.
    Type: Application
    Filed: September 29, 2023
    Publication date: May 23, 2024
    Inventor: Yusuke ITOH
  • Publication number: 20240145787
    Abstract: 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: Application
    Filed: September 28, 2023
    Publication date: May 2, 2024
    Inventor: Yusuke ITOH
  • Publication number: 20240117192
    Abstract: 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: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kazuyuki MATSUMURA, Masanobu NISHIMINE, Yusuke ITOH, Hisashi YAGI, Tsutomu NAKAMURA, Yoshiteru SAKATSUME
  • Patent number: 11949113
    Abstract: 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: Grant
    Filed: March 13, 2019
    Date of Patent: April 2, 2024
    Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikihiro Kataoka, Kotaro Horiai, Tomoaki Terada, Yusuke Itoh, Mikihiro Hori
  • Patent number: 11258076
    Abstract: 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: Grant
    Filed: December 11, 2017
    Date of Patent: February 22, 2022
    Assignees: 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
  • Patent number: 10950869
    Abstract: 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: Grant
    Filed: October 23, 2015
    Date of Patent: March 16, 2021
    Assignees: Cataler Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Yousuke Horiuchi, Tomoaki Terada, Akihiro Hori, Nobuaki Mizutani, Hiroo Yoshikawa, Yusuke Itoh
  • Publication number: 20210043947
    Abstract: 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: Application
    Filed: March 13, 2019
    Publication date: February 11, 2021
    Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikihiro KATAOKA, Kotaro Horiai, Tomoaki TERADA, Yusuke ITOH, Mikihiro HORI
  • Patent number: 10727410
    Abstract: 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: Grant
    Filed: November 19, 2013
    Date of Patent: July 28, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Ayumu Kiyomori, Yusuke Itoh
  • Publication number: 20200075964
    Abstract: 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: Application
    Filed: December 11, 2017
    Publication date: March 5, 2020
    Applicants: 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
  • Patent number: 10533073
    Abstract: 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: Grant
    Filed: September 5, 2017
    Date of Patent: January 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yusuke Itoh, Ayumu Kiyomori
  • Publication number: 20190382535
    Abstract: 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: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yusuke ITOH, Ayumu KIYOMORI
  • Patent number: 10494507
    Abstract: 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: Grant
    Filed: May 13, 2016
    Date of Patent: December 3, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ayumu Kiyomori, Yusuke Itoh
  • Patent number: 10403906
    Abstract: 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: Grant
    Filed: December 6, 2017
    Date of Patent: September 3, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Yusuke Itoh, Toru Yamamoto
  • Patent number: 10355286
    Abstract: 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: Grant
    Filed: December 6, 2017
    Date of Patent: July 16, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Yusuke Itoh, Toru Yamamoto
  • Publication number: 20180241046
    Abstract: 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: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION
    Inventors: Yusuke Itoh, Mikihiro Hori, Mikihiro Kataoka, Kenji Yamamoto, Kotaro Horiai, Yuki Makino
  • Publication number: 20180166696
    Abstract: 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: Application
    Filed: December 6, 2017
    Publication date: June 14, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Yusuke ITOH, Toru Yamamoto