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Akihiro Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid crystal display
    • Patent number 7,978,162
    • Issue date Jul 12, 2011
    • Hitachi, Ltd.
    • Yoshio Maruoka
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal projector
    • Patent number 7,209,103
    • Issue date Apr 24, 2007
    • Hitachi, Ltd.
    • Toshio Maeda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Liquid crystal display
    • Patent number 6,980,189
    • Issue date Dec 27, 2005
    • Hitachi, Ltd.
    • Yoshio Maruoka
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device for displaying display data
    • Patent number 6,603,468
    • Issue date Aug 5, 2003
    • Hitachi, Ltd.
    • Yoshihisa Ooishi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents