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Eiichi Hayakawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Illuminated dual action switch
    • Patent number 7,932,474
    • Issue date Apr 26, 2011
    • Kabushiki Kaisha Tokai Rika Denki Seisakusho
    • Kenichi Hamada
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCH
    • Publication number 20090308719
    • Publication date Dec 17, 2009
    • Kenichi Hamada
    • G05 - CONTROLLING REGULATING