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Nobutaka Yamaguchi

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasive tape
    • Patent number 4,840,842
    • Issue date Jun 20, 1989
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Abasive tape
    • Patent number 4,822,672
    • Issue date Apr 18, 1989
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of making abrasive tape
    • Patent number 4,767,644
    • Issue date Aug 30, 1988
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrasive tape
    • Patent number 4,764,423
    • Issue date Aug 16, 1988
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Abrasive tape
    • Patent number 4,756,960
    • Issue date Jul 12, 1988
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Abrasive tape
    • Patent number 4,752,524
    • Issue date Jun 21, 1988
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,734,325
    • Issue date Mar 29, 1988
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,728,569
    • Issue date Mar 1, 1988
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,696,858
    • Issue date Sep 29, 1987
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,686,139
    • Issue date Aug 11, 1987
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,663,217
    • Issue date May 5, 1987
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,650,720
    • Issue date Mar 17, 1987
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,649,072
    • Issue date Mar 10, 1987
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium including magnetic layer with carbon blac...
    • Patent number 4,647,503
    • Issue date Mar 3, 1987
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • 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 with electron beam cured magnetic layer
    • Patent number 4,619,855
    • Issue date Oct 28, 1986
    • Fuji Photo Film Co., Ltd.
    • Tsutomu Okita
    • 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 4,601,946
    • Issue date Jul 22, 1986
    • Fuji Photo Film Co., Ltd.
    • Shinobu Iida
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,579,778
    • Issue date Apr 1, 1986
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • 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
    • Patent number 4,546,038
    • Issue date Oct 8, 1985
    • Fuji Photo Film Company, Limited
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,544,601
    • Issue date Oct 1, 1985
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method of preparing a magnetic recording medium with a calendering...
    • Patent number 4,499,121
    • Issue date Feb 12, 1985
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,497,864
    • Issue date Feb 5, 1985
    • Fuji Photo Film Co., Ltd.
    • Katsumi Ryoke
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,474,848
    • Issue date Oct 2, 1984
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,448,842
    • Issue date May 15, 1984
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,444,842
    • Issue date Apr 24, 1984
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,427,738
    • Issue date Jan 24, 1984
    • Fuji Photo Film Co., Ltd.
    • Masaaki Fujiyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,425,400
    • Issue date Jan 10, 1984
    • Fuji Photo Film Co., Ltd.
    • Nobutaka Yamaguchi
    • G11 - INFORMATION STORAGE