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Koichi Yamaguchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Inductor component
    • Patent number 11,682,517
    • Issue date Jun 20, 2023
    • Murata Manufacturing Co., Ltd.
    • Akinori Hamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic component and method of manufacturing electronic component
    • Patent number 11,437,182
    • Issue date Sep 6, 2022
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flexible inductor
    • Patent number 11,424,062
    • Issue date Aug 23, 2022
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Common mode choke coil
    • Patent number 11,282,630
    • Issue date Mar 22, 2022
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable inductor
    • Patent number 11,043,323
    • Issue date Jun 22, 2021
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Shield, electronic circuit, and DC-DC converter
    • Patent number 10,855,172
    • Issue date Dec 1, 2020
    • Murata Manufacturing Co., Ltd.
    • Kenichi Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flexible inductor
    • Patent number 10,629,350
    • Issue date Apr 21, 2020
    • Murata Manufacturing Co., Ltd.
    • Masashi Hattori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic component
    • Patent number 9,997,288
    • Issue date Jun 12, 2018
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Reader/writer and mobile communication apparatus
    • Patent number 7,699,231
    • Issue date Apr 20, 2010
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Choke coil
    • Patent number 5,994,992
    • Issue date Nov 30, 1999
    • Murata Manufacturing Co., Ltd.
    • Tatsuyuki Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Choke coil
    • Patent number 5,831,505
    • Issue date Nov 3, 1998
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    INDUCTOR COMPONENT
    • Publication number 20200098506
    • Publication date Mar 26, 2020
    • Murata Manufacturing Co., Ltd.
    • Akinori HAMADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COMMON MODE CHOKE COIL
    • Publication number 20190326047
    • Publication date Oct 24, 2019
    • Murata Manufacturing Co., Ltd.
    • Koichi YAMAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING ELECTRONIC COMPONENT
    • Publication number 20190156991
    • Publication date May 23, 2019
    • MURATA MANUFACTURING CO., LTD.
    • Koichi YAMAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FLEXIBLE INDUCTOR
    • Publication number 20180211754
    • Publication date Jul 26, 2018
    • Murata Manufacturing Co., Ltd.
    • Masashi HATTORI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SHIELD, ELECTRONIC CIRCUIT, AND DC-DC CONVERTER
    • Publication number 20180166980
    • Publication date Jun 14, 2018
    • Murata Manufacturing Co., Ltd.
    • Kenichi ITO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FLEXIBLE INDUCTOR
    • Publication number 20180130596
    • Publication date May 10, 2018
    • Murata Manufacturing Co., Ltd.
    • Koichi YAMAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE INDUCTOR
    • Publication number 20170040103
    • Publication date Feb 9, 2017
    • Murata Manufacturing Co., Ltd.
    • Koichi YAMAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC COMPONENT
    • Publication number 20160099098
    • Publication date Apr 7, 2016
    • Murata Manufacturing Co., Ltd.
    • Koichi YAMAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20080218301
    • Publication date Sep 11, 2008
    • Murata Manufacturing Co., Ltd.
    • Koichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Reader/writer and mobile communication apparatus
    • Publication number 20070051807
    • Publication date Mar 8, 2007
    • Koichi Yamaguchi
    • G06 - COMPUTING CALCULATING COUNTING