TREA

Tetuo Kanazashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bi-directional data communications system
    • Patent number 4,347,604
    • Issue date Aug 31, 1982
    • Pioneer Electronic Corporation
    • Masaki Saito
    • G08 - SIGNALLING
  • Information Patent Grant

    Interactive CATV system
    • Patent number 4,245,245
    • Issue date Jan 13, 1981
    • Pioneer Electronic Corporation
    • Katsuaki Matsumoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE