TREA

Katsuhiko Matsushita

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Camera shutter
    • Patent number 5,237,364
    • Issue date Aug 17, 1993
    • Seikosha Co., Ltd.
    • Shigeru Tagami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Arrangement for compensating for variable speed of a camera shutter
    • Patent number 5,220,376
    • Issue date Jun 15, 1993
    • Seikosha Co., Ltd.
    • Shigeru Tagami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera shutter
    • Patent number 5,181,063
    • Issue date Jan 19, 1993
    • Seikosha Co., Ltd.
    • Shigeru Tagami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera shutter
    • Patent number 5,181,064
    • Issue date Jan 19, 1993
    • Seikosha Co., Ltd.
    • Shigeru Tagami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,920,372
    • Issue date Apr 24, 1990
    • Seikosha Co., Ltd.
    • Tadashi Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY