TREA

Toshiaki Watanuki

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  • Fujisawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Television telephone
    • Patent number 5,966,164
    • Issue date Oct 12, 1999
    • Hitachi, Ltd.
    • Hiroshi Gotoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Television telephone
    • Patent number 5,677,727
    • Issue date Oct 14, 1997
    • Hitachi, Ltd.
    • Hiroshi Gotoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Television telephone
    • Patent number 5,396,269
    • Issue date Mar 7, 1995
    • Hitachi, Ltd.
    • Hiroshi Gotoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Video conference device with facsimile function
    • Patent number 5,373,316
    • Issue date Dec 13, 1994
    • Hitachi, Ltd.
    • Iwao Ishinabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE