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Yasutoshi Kurihara

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit board
    • Patent number 7,141,741
    • Issue date Nov 28, 2006
    • Hitachi, Ltd.
    • Kazuji Yamada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor devices
    • Patent number 6,710,263
    • Issue date Mar 23, 2004
    • Renesas Technology Corporation
    • Toshiyuki Kobayashi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite material member for semiconductor device and insulated an...
    • Patent number 6,579,623
    • Issue date Jun 17, 2003
    • Hitachi, Ltd.
    • Yasutoshi Kurihara
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Semiconductor device
    • Patent number 6,434,008
    • Issue date Aug 13, 2002
    • Hitachi, Ltd.
    • Kazuji Yamada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor module
    • Patent number 6,353,258
    • Issue date Mar 5, 2002
    • Hitachi, Ltd.
    • Hirokazu Inoue
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device having power semiconductor elements
    • Patent number 5,956,231
    • Issue date Sep 21, 1999
    • Hitachi, Ltd.
    • Kazuji Yamada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Heat-conducting cooling module
    • Patent number 4,649,990
    • Issue date Mar 17, 1987
    • Hitachi, Ltd.
    • Yasutoshi Kurihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Insulated type semiconductor devices
    • Patent number 4,556,899
    • Issue date Dec 3, 1985
    • Hitachi, Ltd.
    • Yasutoshi Kurihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device using SiC as supporter of a semiconductor element
    • Patent number 4,352,120
    • Issue date Sep 28, 1982
    • Hitachi, Ltd.
    • Yasutoshi Kurihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor transducer
    • Patent number 4,151,502
    • Issue date Apr 24, 1979
    • Hitachi, Ltd.
    • Yasutoshi Kurihara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Photocoupler
    • Patent number 4,143,385
    • Issue date Mar 6, 1979
    • Hitachi, Ltd.
    • Tadahiko Miyoshi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents