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Akihiro Yahata

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device
    • Patent number 6,246,077
    • Issue date Jun 12, 2001
    • Kabushiki Kaisha Toshiba
    • Setsuko Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power semiconductor device
    • Patent number 6,137,136
    • Issue date Oct 24, 2000
    • Kabushiki Kaisha Toshiba
    • Akihiro Yahata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 5,977,564
    • Issue date Nov 2, 1999
    • Kabushiki Kaisha Toshiba
    • Setsuko Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS