TREA

Nobuyuki Fujimoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Shutter assembled disc cartridge
    • Patent number 4,959,744
    • Issue date Sep 25, 1990
    • Hitachi Maxell, Ltd.
    • Yasunori Kanazawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Shutter assembled disc cartridge
    • Patent number 4,811,151
    • Issue date Mar 7, 1989
    • Hitachi Maxell, Ltd.
    • Yasunori Kanazawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc cartridge
    • Patent number 4,740,948
    • Issue date Apr 26, 1988
    • Hitachi Maxwell, Ltd.
    • Yoshiyuki Nakamori
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Information recording disc
    • Patent number 4,733,388
    • Issue date Mar 22, 1988
    • Hitachi Maxell, Ltd.
    • Nobuyuki Fujimoto
    • G11 - INFORMATION STORAGE