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Toshihiro Ishii

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane panel switch
    • Patent number 4,937,932
    • Issue date Jul 3, 1990
    • Ishii Hyoki Co., Ltd.
    • Toshihiro Ishii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Membrane panel switch
    • Patent number 4,892,988
    • Issue date Jan 9, 1990
    • Ishii Hyoki Co., Ltd.
    • Toshihiro Ishii
    • H01 - BASIC ELECTRIC ELEMENTS