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Haixia Zhang

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical switch and optical switch array
    • Patent number 9,042,689
    • Issue date May 26, 2015
    • Huawei Technologies Co., Ltd.
    • Qinghua Chen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL SWITCH AND OPTICAL SWITCH ARRAY
    • Publication number 20130243372
    • Publication date Sep 19, 2013
    • Huawei Technologies Co., Ltd
    • Qinghua Chen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...