TREA

Wei Wang

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  • Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustic transducing device
    • Patent number 8,155,374
    • Issue date Apr 10, 2012
    • Hosiden Corporation
    • Hideo Yuasa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Electroacoustic transducing device
    • Publication number 20090285439
    • Publication date Nov 19, 2009
    • HOSIDEN CORPORATION
    • Hideo Yuasa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE