Patents by Inventor KOSUKE YAMAUCHI

KOSUKE YAMAUCHI 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).

  • COIL SPRING, SUSPENSION DEVICE, AND METHOD FOR PRODUCING COIL SPRING
    Publication number: 20240133440
    Abstract: According to an embodiment, a coil spring is formed of a wire which is helically wound, and includes an end turn portion and an effective portion, and a surface of the wire in the end turn portion includes an area which is softer than a surface of the wire in the effective portion.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Applicant: NHK SPRING CO., LTD.
    Inventors: Hideki OKADA, Yuichiro YAMAUCHI, Ryo TANAKA, Takeshi SUZUKI, Kosuke SHIBAIRI
  • Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
    Patent number: 11515546
    Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0<x1<1 holds) and a second compound having a composition represented by BaZr1-x2Tmx2O3 (0<x2<0.3 holds).
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: November 29, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kosuke Yamauchi, Takehito Goto, Tomoya Kamata, Yuichi Mikami, Tomohiro Kuroha, Atsuo Okaichi, Yoichiro Tsuji, Yuji Okuyama
  • MEMBRANE ELECTRODE ASSEMBLY OF ELECTROCHEMICAL DEVICE, MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL, FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY OF ELECTROCHEMICAL HYDROGEN PUMP, ELECTROCHEMICAL HYDROGEN PUMP, MEMBRANE ELECTRODE ASSEMBLY OF HYDROGEN SENSOR, AND HYDROGEN SENSOR
    Publication number: 20210005899
    Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0<x1<1 holds) and a second compound having a composition represented by BaZr1-x2Tmx2O3 (0<x2<0.3 holds).
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Inventors: Kosuke YAMAUCHI, Takehito GOTO, Tomoya KAMATA, Yuichi MIKAMI, Tomohiro KUROHA, Atsuo OKAICHI, Yoichiro TSUJI, Yuji OKUYAMA
  • Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
    Patent number: 10826075
    Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0<x1<1 holds) and a second compound having a composition represented by BaZr1-x2Tmx2O3 (0<x2<0.3 holds).
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: November 3, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kosuke Yamauchi, Takehito Goto, Tomoya Kamata, Yuichi Mikami, Tomohiro Kuroha, Atsuo Okaichi, Yoichiro Tsuji, Yuji Okuyama
  • Proton conductor and membrane electrode assembly
    Patent number: 10763531
    Abstract: A proton conductor of the present disclosure has a composition formula of BaaZr1-x-yYbxNiyO3-? (0.95?a?1.05, 0.1?x?0.4, and 0.15?y?0.30).
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 1, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kosuke Yamauchi, Yuichi Mikami, Tomohiro Kuroha, Yuji Okuyama
  • PROTON CONDUCTOR AND MEMBRANE ELECTRODE ASSEMBLY
    Publication number: 20190181481
    Abstract: A proton conductor of the present disclosure has a composition formula of BaaZr1-x-yYbxNiyO3-? (0.95?a?1.05, 0.1?x?0.4, and 0.15?y?0.30).
    Type: Application
    Filed: November 20, 2018
    Publication date: June 13, 2019
    Inventors: KOSUKE YAMAUCHI, YUICHI MIKAMI, TOMOHIRO KUROHA, YUJI OKUYAMA
  • MEMBRANE ELECTRODE ASSEMBLY AND SOLID OXIDE FUEL CELL
    Publication number: 20180138533
    Abstract: A membrane electrode assembly includes an electrode consisting of at least one compound selected from the group consisting of lanthanum strontium cobalt complex oxide, lanthanum strontium cobalt iron complex oxide, and lanthanum strontium iron complex oxide, or consisting of a composite of the at least one compound and an electrolyte material, and a first solid electrolyte membrane represented by a composition formula of BaZr1?xLuxO3?? (0<x<1). The electrode is in contact with the first solid electrolyte membrane.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 17, 2018
    Inventors: YUICHI MIKAMI, TAKEHITO GOTO, KOSUKE YAMAUCHI, TOMOYA KAMATA, TOMOHIRO KUROHA, YOICHIRO TSUJI
  • MEMBRANE ELECTRODE ASSEMBLY OF ELECTROCHEMICAL DEVICE, MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL, FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY OF ELECTROCHEMICAL HYDROGEN PUMP, ELECTROCHEMICAL HYDROGEN PUMP, MEMBRANE ELECTRODE ASSEMBLY OF HYDROGEN SENSOR, AND HYDROGEN SENSOR
    Publication number: 20170301925
    Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0<x1<1 holds) and a second compound having a composition represented by BaZr1-x2Tmx2O3 (0<x2<0.3 holds).
    Type: Application
    Filed: March 29, 2017
    Publication date: October 19, 2017
    Inventors: KOSUKE YAMAUCHI, TAKEHITO GOTO, TOMOYA KAMATA, YUICHI MIKAMI, TOMOHIRO KUROHA, ATSUO OKAICHI, YOICHIRO TSUJI, YUJI OKUYAMA
  • MEMBRANE ELECTRODE ASSEMBLY AND SOLID OXIDE FUEL CELL
    Publication number: 20170288251
    Abstract: A membrane electrode assembly includes an electrode consisting of at least one compound selected from the group consisting of lanthanum strontium cobalt complex oxide, lanthanum strontium cobalt ferrite complex oxide, lanthanum strontium ferrite complex oxide, and lanthanum nickel ferrite complex oxide or consisting of a composite of the compound and an electrolyte material, and a first solid electrolyte membrane represented by a composition formula of BaZr1-xlnxO3?? (0<x<1). The electrode is in contact with the first solid electrolyte membrane.
    Type: Application
    Filed: March 22, 2017
    Publication date: October 5, 2017
    Inventors: TOMOYA KAMATA, YUICHI MIKAMI, KOSUKE YAMAUCHI, TOMOHIRO KUROHA, ATSUO OKAICHI
  • MEMBRANE ELECTRODE ASSEMBLY AND SOLID OXIDE FUEL CELL
    Publication number: 20170288248
    Abstract: A membrane electrode assembly includes an electrode consisting of lanthanum strontium cobalt complex oxide or consisting of a composite of lanthanum strontium cobalt complex oxide and an electrolyte material, and a first solid electrolyte membrane represented by a composition formula of BaZr1-xYbxO3-? (0<x<1). The electrode is in contact with the first solid electrolyte membrane.
    Type: Application
    Filed: March 21, 2017
    Publication date: October 5, 2017
    Inventors: YUICHI MIKAMI, TOMOYA KAMATA, KOSUKE YAMAUCHI, TOMOHIRO KUROHA, ATSUO OKAICHI