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Masafumi Nakao

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  • Fuji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Information recording material
    • Patent number 4,580,146
    • Issue date Apr 1, 1986
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Masafumi Nakao
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Information recording material
    • Patent number 4,531,183
    • Issue date Jul 23, 1985
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Isao Morimoto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Recording material
    • Patent number 4,461,807
    • Issue date Jul 24, 1984
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Koichi Mori
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Recording material
    • Patent number 4,370,391
    • Issue date Jan 25, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Koichi Mori
    • G11 - INFORMATION STORAGE