TREA

Hiroto Tsuyuki

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  • Yotsukaido, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-receiving apparatus having a position detectable portion on a...
    • Patent number 5,883,386
    • Issue date Mar 16, 1999
    • Seiko Precision Inc.
    • Hiroto Tsuyuki
    • G02 - OPTICS
  • Information Patent Grant

    Lens driving device
    • Patent number 5,602,613
    • Issue date Feb 11, 1997
    • Seiko Precision Inc.
    • Kazuo Akimoto
    • G02 - OPTICS
  • Information Patent Grant

    Motor driven shutter
    • Patent number 5,045,873
    • Issue date Sep 3, 1991
    • Seikosha Co., Ltd.
    • Nobuo Shinozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shutter for a single lens reflex camera
    • Patent number 5,028,946
    • Issue date Jul 2, 1991
    • Seikosha Co., Ltd.
    • Nobuo Shinozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera lens driving device
    • Patent number 4,974,006
    • Issue date Nov 27, 1990
    • Seikosha Co., Ltd.
    • Nobuo Shinozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flash photography changeover device
    • Patent number 4,929,977
    • Issue date May 29, 1990
    • Seikosha Co., Ltd.
    • Tadashi Ishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY