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Kenichi Masuyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording system
    • Patent number 5,904,979
    • Issue date May 18, 1999
    • Fuji Photo Film Co., Ltd.
    • Yutaka Kakuishi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,631,062
    • Issue date May 20, 1997
    • Fuji Photo Film Co., Ltd.
    • Kenichi Masuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,582,910
    • Issue date Dec 10, 1996
    • Fuji Photo Film Co., Ltd.
    • Hiroaki Araki
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,510,177
    • Issue date Apr 23, 1996
    • Fuji Photo Film Co., Ltd.
    • Kenichi Masuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,387,464
    • Issue date Feb 7, 1995
    • Fuji Photo Film Co., Ltd.
    • Kazuo Kato
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,336,561
    • Issue date Aug 9, 1994
    • Fuji Photo Film Co., Ltd.
    • Hiroshi Hashimoto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,847,156
    • Issue date Jul 11, 1989
    • Fuji Photo Film Co., Ltd.
    • Yasuo Nishikawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,780,365
    • Issue date Oct 25, 1988
    • Fuji Photo Film Co., Ltd.
    • Yutaka Kakuishi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Process for the preparation of magnetic paint
    • Patent number 4,761,243
    • Issue date Aug 2, 1988
    • Fuji Photo Film Co., Ltd.
    • Yutaka Kakuishi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • 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 medium
    • Patent number 4,678,697
    • Issue date Jul 7, 1987
    • Fuji Photo Film Co., Ltd.
    • Takahito Miyoshi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,647,501
    • Issue date Mar 3, 1987
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording material
    • Patent number 4,626,469
    • Issue date Dec 2, 1986
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium having improved running properties
    • Patent number 4,614,685
    • Issue date Sep 30, 1986
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • 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 for preparing magnetic recording medium
    • Patent number 4,569,856
    • Issue date Feb 11, 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

    Magnetic recording materials
    • Patent number 4,551,386
    • Issue date Nov 5, 1985
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium having improved running properties
    • Patent number 4,539,257
    • Issue date Sep 3, 1985
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,336,308
    • Issue date Jun 22, 1982
    • Fuji Photo Film Co., Ltd.
    • Yasuyuki Yamada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,333,988
    • Issue date Jun 8, 1982
    • Fuji Photo Film Co., Ltd.
    • Yasuyuki Yamada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc jacket for retaining magnetic recording disc
    • Patent number 4,251,843
    • Issue date Feb 17, 1981
    • Fuji Photo Film Co., Ltd.
    • Kenichi Masuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic head cleaning jacket
    • Patent number 4,106,067
    • Issue date Aug 8, 1978
    • Fuji Photo Film Co., Ltd.
    • Kenichi Masuyama
    • G11 - INFORMATION STORAGE