TREA

Kazunori Hamasaki

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tactile switch
    • Patent number 6,878,893
    • Issue date Apr 12, 2005
    • Mitsumi Electric Co., Ltd.
    • Toshiyuki Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Push switch with improved click spring
    • Patent number 6,700,085
    • Issue date Mar 2, 2004
    • Mitsumi Electric Co., Ltd.
    • Shuji Teruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Membrane switch
    • Patent number 6,593,537
    • Issue date Jul 15, 2003
    • Mitsumi Electric Co., Ltd.
    • Shuji Teruyama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Tactile switch
    • Publication number 20030183496
    • Publication date Oct 2, 2003
    • Toshiyuki Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Push switch with improved click spring
    • Publication number 20030098225
    • Publication date May 29, 2003
    • Shuji Teruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Membrane switch
    • Publication number 20020157934
    • Publication date Oct 31, 2002
    • Shuji Teruyama
    • H01 - BASIC ELECTRIC ELEMENTS