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Tadanao Matsumoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane switch
    • Patent number 7,211,760
    • Issue date May 1, 2007
    • Japan Aviation Electronics Industry Limited
    • Tsuyoshi Takiguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Depression responsive switch unit
    • Patent number 7,019,225
    • Issue date Mar 28, 2006
    • Japan Aviation Electronics Industry Limited
    • Tadanao Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable Information Device
    • Publication number 20080078661
    • Publication date Apr 3, 2008
    • Japan Aviation Electronics Industry Limited
    • Tadanao Matsumoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Membrane switch
    • Publication number 20060131158
    • Publication date Jun 22, 2006
    • Japan Aviation Electronics Industry, Limited
    • Tsuyoshi Takiguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Depression responsive switch unit
    • Publication number 20040200699
    • Publication date Oct 14, 2004
    • Tadanao Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS