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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shutter and optical apparatus having the same apparatus
    • Patent number 7,658,558
    • Issue date Feb 9, 2010
    • Seiko Precision, Inc.
    • Hisashi Kawamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shutter and optical apparatus having the same
    • Patent number 7,441,966
    • Issue date Oct 28, 2008
    • Seiko Precision Inc.
    • Hisashi Kawamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Aperture apparatus
    • Patent number 7,338,222
    • Issue date Mar 4, 2008
    • Seiko Precision Inc.
    • Phichet Numnual
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    SHUTTER AND OPTICAL APPARATUS HAVING THE SAME APPARATUS
    • Publication number 20090003823
    • Publication date Jan 1, 2009
    • SEIKO Precision, Inc.
    • Hisashi Kawamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Aperture apparatus
    • Publication number 20060250705
    • Publication date Nov 9, 2006
    • SEIKO Precision Inc.
    • Phichet Numnual
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Shutter and optical apparatus having the same
    • Publication number 20060147199
    • Publication date Jul 6, 2006
    • SEIKO Precision Inc.
    • Hisashi Kawamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY