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Yi Wang

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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-directivity sound device
    • Patent number 9,451,356
    • Issue date Sep 20, 2016
    • Nokia Technologies Oy
    • Liangfeng Xu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-directivity sound device
    • Publication number 20100158287
    • Publication date Jun 24, 2010
    • Nokia Corporation
    • Liangfeng Xu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE