TREA

Katsuhisa Sakaguchi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switch mechanism usable underwater
    • Patent number 7,633,027
    • Issue date Dec 15, 2009
    • Olympus Imaging Corp.
    • Katsuhisa Sakaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch mechanism usable underwater
    • Patent number 7,598,465
    • Issue date Oct 6, 2009
    • Olympus Imaging Corp.
    • Tsuyoshi Hirabayashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCH MECHANISM USABLE UNDERWATER
    • Publication number 20090014297
    • Publication date Jan 15, 2009
    • Olympus Imaging Corp.
    • Katsuhisa Sakaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SWITCH MECHANISM USABLE UNDERWATER
    • Publication number 20080308396
    • Publication date Dec 18, 2008
    • Olympus Imaging Corp.
    • Naoki Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Switch mechanism usable underwater
    • Publication number 20060113173
    • Publication date Jun 1, 2006
    • Olympus Imaging Corp.
    • Naoki Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY