TREA

Jinlong Ren

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  • Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustic transducing device
    • Patent number 9,055,359
    • Issue date Jun 9, 2015
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCING DEVICE
    • Publication number 20110123061
    • Publication date May 26, 2011
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE