TREA

Kinji Sasaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,423,452
    • Issue date Dec 27, 1983
    • TDK Electronics Co., Ltd.
    • Norifumi Kajimoto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,420,408
    • Issue date Dec 13, 1983
    • TDK Electronics Co., Ltd.
    • Norifumi Kajimoto
    • G11 - INFORMATION STORAGE