TREA

Eiji Otsuka

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  • Minowa-machi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens barrel
    • Patent number 5,758,205
    • Issue date May 26, 1998
    • Olympus Optical Co., Ltd.
    • Minoru Hara
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrel
    • Patent number 5,583,595
    • Issue date Dec 10, 1996
    • Olympus Optical Co., Ltd.
    • Minoru Hara
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrel
    • Patent number 5,345,283
    • Issue date Sep 6, 1994
    • Olympus Optical Co. Ltd.
    • Kazuhiro Satoh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY