TREA

Nippon Tsushin Kogyo Kabushiki Kaisha

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  • Kanagawa, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic intercommunication unit
    • Patent number D285681
    • Issue date Sep 16, 1986
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Suemitsu Nakashima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Key telephone set
    • Patent number D283508
    • Issue date Apr 22, 1986
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Akijiro Miyake
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Main key telephone system casing
    • Patent number D282541
    • Issue date Feb 11, 1986
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hideaki Yasuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Push button
    • Patent number D282067
    • Issue date Jan 7, 1986
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hiroshi Inaba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Push button
    • Patent number D281498
    • Issue date Nov 26, 1985
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hiroshi Inaba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone set
    • Patent number D280617
    • Issue date Sep 17, 1985
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hiroshi Inaba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone set
    • Patent number D280404
    • Issue date Sep 3, 1985
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hiroshi Inaba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset
    • Patent number D279896
    • Issue date Jul 30, 1985
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Hiroshi Inaba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic intercommunication unit
    • Patent number D279471
    • Issue date Jul 2, 1985
    • Nippon Tsushin Kogyo Kabushiki Kaisha
    • Suemitsu Nakashima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Key telephone system
    • Patent number 4,412,102
    • Issue date Oct 25, 1983
    • Nippon Telegraph & Telephone
    • Seiki Ogawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Key telephone system
    • Patent number 4,347,409
    • Issue date Aug 31, 1982
    • Nippon Telegraph & Telephone Public Corporation
    • Seiki Ogawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data transmission apparatus
    • Patent number 4,341,927
    • Issue date Jul 27, 1982
    • TIE/Communications, Inc.
    • Tsuyoshi Shinoi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Office line connection circuit during service interruptions in key...
    • Patent number 4,260,857
    • Issue date Apr 7, 1981
    • Nippon Tsushin Kogyo KK
    • Tsuyoshi Shinoi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceramic material of low thermal expansion coefficient and method of...
    • Patent number 4,105,456
    • Issue date Aug 8, 1978
    • Nippon Telegraph & Telephone Public Corporation
    • Toshiaki Murakami
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES