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Hiroyuki Izumi

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  • Yotsukaido, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Focal plane shutter
    • Patent number 5,546,149
    • Issue date Aug 13, 1996
    • Seiko Precision Inc.
    • Ichiro Nemoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focal plane shutter
    • Patent number 5,214,463
    • Issue date May 25, 1993
    • Seikosha Co., Ltd.
    • Hiroaki Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY