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Hiroshi Zaitsu

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  • Takatsuki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,554,606
    • Issue date Nov 19, 1985
    • Hitachi Maxell, Ltd.
    • Takato Karashima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,480,004
    • Issue date Oct 30, 1984
    • Hitachi Maxell, Ltd.
    • Fumio Togawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,305,993
    • Issue date Dec 15, 1981
    • Hitachi Maxell, Ltd.
    • Hiroshi Zaitsu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,275,113
    • Issue date Jun 23, 1981
    • Hitachi Maxell, Ltd.
    • Osamu Saito
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,223,361
    • Issue date Sep 16, 1980
    • Hitachi Maxell, Ltd.
    • Hiroshi Zaitsu
    • G11 - INFORMATION STORAGE