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Tatsumi Hasebe

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  • Hichisou, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Projection type image display device
    • Patent number 7,140,732
    • Issue date Nov 28, 2006
    • Hitachi, Ltd.
    • Mikio Shiraishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector
    • Patent number 6,665,123
    • Issue date Dec 16, 2003
    • Hitachi, Ltd.
    • Aki Nakajo
    • G02 - OPTICS
  • Information Patent Grant

    Multiprojection apparatus
    • Patent number 5,206,760
    • Issue date Apr 27, 1993
    • Hitachi, Ltd.
    • Akio Nakashima
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Projection type image display device
    • Publication number 20040263792
    • Publication date Dec 30, 2004
    • Hitachi, Ltd
    • Mikio Shiraishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projector
    • Publication number 20020171938
    • Publication date Nov 21, 2002
    • Aki Nakajo
    • G02 - OPTICS