TREA

Kenichi Tonomura

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  • Ishikawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internet telephony system
    • Patent number 6,724,749
    • Issue date Apr 20, 2004
    • Fujitsu Limited
    • Masayuki Tashiro
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE