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Tomoyuki Kawamura

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image display device
    • Patent number 7,952,597
    • Issue date May 31, 2011
    • Hitachi, Ltd.
    • Hidenao Kubota
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Image display device
    • Publication number 20060125849
    • Publication date Jun 15, 2006
    • Hidenao Kubota
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Video display apparatus
    • Publication number 20050253825
    • Publication date Nov 17, 2005
    • Hitachi, Ltd.
    • Tomoyuki Kawamura
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS