TREA

Toru Shimozawa

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  • Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,080,971
    • Issue date Jan 14, 1992
    • TDK Corporation
    • Kenji Yokoyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,069,967
    • Issue date Dec 3, 1991
    • TDK Corporation
    • Kenji Yokoyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,889,767
    • Issue date Dec 26, 1989
    • TDK Corporation
    • Kenji Yokoyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,880,687
    • Issue date Nov 14, 1989
    • TDK Corporation
    • Kenji Yokoyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,810,555
    • Issue date Mar 7, 1989
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,772,522
    • Issue date Sep 20, 1988
    • TDK Corporation
    • Yuichi Kubota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Coating type perpendicular magnetic recording medium for digital re...
    • Patent number 4,759,966
    • Issue date Jul 26, 1988
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,746,558
    • Issue date May 24, 1988
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,726,990
    • Issue date Feb 23, 1988
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,720,411
    • Issue date Jan 19, 1988
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,702,959
    • Issue date Oct 27, 1987
    • TDK Corporation
    • Toru Shimozawa
    • G11 - INFORMATION STORAGE