TREA

Koji Ishihata

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  • Ehime, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical recording medium
    • Patent number 6,908,655
    • Issue date Jun 21, 2005
    • Sony Corporation
    • Nobuyuki Arakawa
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical recording medium
    • Publication number 20010044004
    • Publication date Nov 22, 2001
    • Nobuyuki Arakawa
    • G11 - INFORMATION STORAGE