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Minqian Qian

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Packet-switched network return
    • Patent number 9,332,461
    • Issue date May 3, 2016
    • SPREADTRUM COMMUNICATIONS (SHANGHAI) CO., LTD.
    • Wei Han
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Packet-switched network return
    • Patent number 9,307,543
    • Issue date Apr 5, 2016
    • SPREADTRUM COMMUNICATIONS (SHANGHAI) CO., LTD.
    • Minqian Qian
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR SWITCHING MULTI-PARTY CALL, AND MULTI-CHAN...
    • Publication number 20180176386
    • Publication date Jun 21, 2018
    • Spreadtrum Communications (Shanghai) CO., Ltd.
    • Minqian QIAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PACKET-SWITCHED NETWORK RETURN
    • Publication number 20160029393
    • Publication date Jan 28, 2016
    • SPREADTRUM COMMUNICATIONS (SHANGHAI) CO., LTD.
    • Minqian Qian
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PACKET-SWITCHED NETWORK RETURN
    • Publication number 20150146685
    • Publication date May 28, 2015
    • Spreadtrum Communications (Shanghai) CO., Ltd.
    • Wei Han
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE