TREA

Chen Y. Yu

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dialing method and device
    • Patent number 9,742,911
    • Issue date Aug 22, 2017
    • International Business Machines Corporation
    • Dai Bin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    DIALING METHOD AND DEVICE
    • Publication number 20160065734
    • Publication date Mar 3, 2016
    • International Business Machines Corporation
    • Dai Bin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE