TREA

Yasushi Ishikawa

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  • Saku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,443,913
    • Issue date Aug 22, 1995
    • TDK Corporation
    • Masahide Kohno
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,294,495
    • Issue date Mar 15, 1994
    • TDK Corporation
    • Kazuhiro Kuroda
    • G11 - INFORMATION STORAGE