TREA

Shinichi Otsuka

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  • Utsunomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device
    • Patent number 7,184,275
    • Issue date Feb 27, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Katsumasa Yamaguchi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Toner bottle and toner supplying apparatus using the same
    • Patent number 5,774,773
    • Issue date Jun 30, 1998
    • Matsushita Electric Industrial Co., Ltd.
    • Shinichi Otsuka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Electronic device
    • Publication number 20050128719
    • Publication date Jun 16, 2005
    • Katsumasa Yamaguchi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES