TREA

Fujio Tanaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Television signal recording and reproducing system using optical re...
    • Patent number 5,084,767
    • Issue date Jan 28, 1992
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Tatsuo Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Magneto-optical recording medium
    • Patent number 4,701,881
    • Issue date Oct 20, 1987
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Fujio Tanaka
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Magneto-optical recording medium
    • Patent number 4,631,617
    • Issue date Dec 23, 1986
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Fujio Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magneto-optical recording medium
    • Patent number 4,628,485
    • Issue date Dec 9, 1986
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Fujio Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magneto-optical recording medium
    • Patent number 4,559,573
    • Issue date Dec 17, 1985
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Shinsuke Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,456,998
    • Issue date Jun 26, 1984
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Fujio Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS