TREA

Naoyuki Nagashima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 6,214,448
    • Issue date Apr 10, 2001
    • TDK Corporation
    • Hideki Sasaki
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 6,168,856
    • Issue date Jan 2, 2001
    • TDK Corporation
    • Hideki Sasaki
    • G11 - INFORMATION STORAGE