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Xiangguo CHENG

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key insulation method and device
    • Patent number 9,215,073
    • Issue date Dec 15, 2015
    • Huawei Technologies Co., Ltd.
    • Xiangguo Cheng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    KEY PROCESSING METHOD AND APPARATUS
    • Publication number 20150188703
    • Publication date Jul 2, 2015
    • Huawei Technologies Co., Ltd
    • Jia YU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    KEY INSULATION METHOD AND DEVICE
    • Publication number 20140301554
    • Publication date Oct 9, 2014
    • Huawei Technologies Co., Ltd
    • Xiangguo CHENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE