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Ryouichi Ootsu

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  • Ichinomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image display device
    • Patent number 8,089,439
    • Issue date Jan 3, 2012
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 7,821,609
    • Issue date Oct 26, 2010
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G02 - OPTICS
  • Information Patent Grant

    Image display device
    • Patent number 7,403,193
    • Issue date Jul 22, 2008
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 7,202,929
    • Issue date Apr 10, 2007
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Image Display Device
    • Publication number 20080284966
    • Publication date Nov 20, 2008
    • Ryouichi Ootsu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20070153193
    • Publication date Jul 5, 2007
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G02 - OPTICS
  • Information Patent Application

    Display device
    • Publication number 20040246425
    • Publication date Dec 9, 2004
    • Hitachi Displays, Ltd.
    • Ryouichi Ootsu
    • G02 - OPTICS
  • Information Patent Application

    Image display device
    • Publication number 20040135753
    • Publication date Jul 15, 2004
    • Ryouichi Ootsu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS