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Nobuyuki Usui

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  • Chiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disk cartridge
    • Patent number 6,961,952
    • Issue date Nov 1, 2005
    • Sharp Kabushiki Kaisha
    • Nobuyuki Takamori
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc cartridge and disc apparatus
    • Patent number 6,762,990
    • Issue date Jul 13, 2004
    • Sharp Kabushiki Kaisha
    • Mitsunobu Yoshida
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents