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Satoshi Matsuyoshi

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  • Takahagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device and automotive ac generator
    • Patent number 8,421,232
    • Issue date Apr 16, 2013
    • Hitachi, Ltd.
    • Osamu Ikeda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Semiconductor device
    • Patent number 8,183,681
    • Issue date May 22, 2012
    • Hitachi, Ltd.
    • Shinji Hiramitsu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and automotive AC generator
    • Patent number 7,964,492
    • Issue date Jun 21, 2011
    • Hitachi, Ltd.
    • Osamu Ikeda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Semiconductor device
    • Patent number 7,423,349
    • Issue date Sep 9, 2008
    • Hitachi, Ltd.
    • Shosaku Ishihara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Semiconductor device
    • Patent number 7,193,319
    • Issue date Mar 20, 2007
    • Hitachi, Ltd.
    • Koji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 7,002,244
    • Issue date Feb 21, 2006
    • Hitachi, Ltd.
    • Misuk Yamazaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gate turn-off thyristor and power convertor using the same
    • Patent number 5,459,338
    • Issue date Oct 17, 1995
    • Hitachi, Ltd.
    • Yuji Takayanagi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE AND DEVICE WITH USE OF IT
    • Publication number 20120212164
    • Publication date Aug 23, 2012
    • Hitachi, Ltd.
    • Takeshi TERAKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND AUTOMOTIVE AC GENERATOR
    • Publication number 20110223718
    • Publication date Sep 15, 2011
    • Osamu Ikeda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND ON-VEHICLE AC GENERATOR
    • Publication number 20110042815
    • Publication date Feb 24, 2011
    • Hitachi, Ltd.
    • Osamu Ikeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Device
    • Publication number 20090321783
    • Publication date Dec 31, 2009
    • Shinji Hiramitsu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device and automotive AC generator
    • Publication number 20090159650
    • Publication date Jun 25, 2009
    • Osamu Ikeda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Semiconductor device
    • Publication number 20070182023
    • Publication date Aug 9, 2007
    • Hitachi, Ltd
    • Shinji Hiramitsu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device and automotive AC generator
    • Publication number 20070057021
    • Publication date Mar 15, 2007
    • Osamu Ikeda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Semiconductor device
    • Publication number 20060246304
    • Publication date Nov 2, 2006
    • Shosaku Ishihara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Semiconductor device
    • Publication number 20060214291
    • Publication date Sep 28, 2006
    • Koji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device
    • Publication number 20040135244
    • Publication date Jul 15, 2004
    • Misuk Yamazaki
    • H01 - BASIC ELECTRIC ELEMENTS