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Chuichi Ota

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Patents Grantslast 30 patents

  • Information Patent Grant

    Magneto-optical recording medium
    • Patent number 4,814,238
    • Issue date Mar 21, 1989
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Shinsuke 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

    Magneto-optical recording and reproducing system
    • Patent number 4,477,852
    • Issue date Oct 16, 1984
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Chuichi Ota
    • 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
  • Information Patent Grant

    Multi-layer magneto-optical recording medium
    • Patent number 4,417,290
    • Issue date Nov 22, 1983
    • Kokusai Denshindenwa Co., Ltd.
    • Shinsuke Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magneto-optic recording medium
    • Patent number 4,412,264
    • Issue date Oct 25, 1983
    • Kokusai Denshin Denwa Co., Ltd.
    • Nobutake Imamura
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,410,994
    • Issue date Oct 18, 1983
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Chuichi Ota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser with buffer layer
    • Patent number 4,340,966
    • Issue date Jul 20, 1982
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Shigeyuki Akiba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fault locating system in optical fiber transmission system
    • Patent number 4,257,033
    • Issue date Mar 17, 1981
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Chuichi Ota
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE