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Katsumi Sakaguchi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Projector
    • Patent number D564565
    • Issue date Mar 18, 2008
    • NEC Display Solutions, Ltd.
    • Yukihiko Oota
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projector
    • Patent number D551689
    • Issue date Sep 25, 2007
    • NEC Display Solutions, Ltd.
    • Katsumi Sakaguchi
    • D16 - Photography and optical equipment