TREA

Shigeru Kato

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  • Ome-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Waterproof structure
    • Patent number 7,941,196
    • Issue date May 10, 2011
    • Casio Hitachi Mobile Communications Co., Ltd.
    • Yasuhiko Kawasaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Waterproof structure of push button switch
    • Patent number 7,355,137
    • Issue date Apr 8, 2008
    • Casio Hitachi Mobile Communications Co., Ltd.
    • Yasuhiko Kawasaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Waterproof structure
    • Publication number 20080081679
    • Publication date Apr 3, 2008
    • Casio Hitachi Mobile Communications Co., Ltd.
    • Yasuhiko Kawasaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Waterproof structure of push button switch
    • Publication number 20070034493
    • Publication date Feb 15, 2007
    • Casio Hitachi Mobile Communications Co., Ltd.
    • Yasuhiko Kawasaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE