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Hideo Shimizu

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  • Hitachi, 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 module and inverter device
    • Patent number 6,441,317
    • Issue date Aug 27, 2002
    • Hitachi, Ltd.
    • Akira Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 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

Patents Applicationslast 30 patents

  • Information Patent Application

    Circuit board
    • Publication number 20040056349
    • Publication date Mar 25, 2004
    • Kazuji Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device
    • Publication number 20030016502
    • Publication date Jan 23, 2003
    • Kazuji Yamada
    • H01 - BASIC ELECTRIC ELEMENTS