TREA

Masahiro Utumi

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,745,017
    • Issue date May 17, 1988
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,670,333
    • Issue date Jun 2, 1987
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,617,226
    • Issue date Oct 14, 1986
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,598,014
    • Issue date Jul 1, 1986
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,582,757
    • Issue date Apr 15, 1986
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method of making magnetic recording medium
    • Patent number 4,567,057
    • Issue date Jan 28, 1986
    • Fuji Photo Film Co., Ltd.
    • Kenichi Masuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Process for producing magnetic recording media
    • Patent number 4,567,063
    • Issue date Jan 28, 1986
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Leader or trailer tape for a magnetic tape
    • Patent number 4,275,108
    • Issue date Jun 23, 1981
    • Fuji Photo Film Co., Ltd.
    • Nobutana Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,171,406
    • Issue date Oct 16, 1979
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Leader or trailer for a magnetic tape
    • Patent number 4,146,031
    • Issue date Mar 27, 1979
    • Fuji Photo Film Co., Ltd.
    • Masaaki Fujiyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Cleaning tape for magnetic head
    • Patent number 4,138,229
    • Issue date Feb 6, 1979
    • Fuji Photo Film Co., Ltd.
    • Eiichi Tadokoro
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording substance
    • Patent number 4,135,031
    • Issue date Jan 16, 1979
    • Fuji Photo Film Co., Ltd.
    • Goro Akashi
    • G11 - INFORMATION STORAGE