TREA

Kiyoshi Kinugawa

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  • Nara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic apparatus
    • Patent number 4,794,234
    • Issue date Dec 27, 1988
    • Sharp Kabushiki Kaisha
    • Kiyoshi Kinugawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key switch
    • Patent number 4,733,024
    • Issue date Mar 22, 1988
    • Sharp Kabushiki Kaisha
    • Masaji Takeshima
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Key input device
    • Patent number 4,692,740
    • Issue date Sep 8, 1987
    • Sharp Kabushiki Kaisha
    • Isamu Washizuka
    • G06 - COMPUTING CALCULATING COUNTING