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Yukio Akiyama

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plasma display apparatus
    • Patent number 7,557,776
    • Issue date Jul 7, 2009
    • Hitachi, Ltd.
    • Hirokazu Inoue
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Plasma display apparatus
    • Publication number 20050237275
    • Publication date Oct 27, 2005
    • Hirokazu Inoue
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS