TREA

Chun Lan

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  • Shenzhen, Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bluetooth headset
    • Patent number 11,206,474
    • Issue date Dec 21, 2021
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shunming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Moving-coil speaker
    • Patent number 10,244,328
    • Issue date Mar 26, 2019
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    A Bluetooth Headset
    • Publication number 20210281939
    • Publication date Sep 9, 2021
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shunming YUEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DIAPHRAGM
    • Publication number 20190069092
    • Publication date Feb 28, 2019
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Moving-Coil Speaker
    • Publication number 20190052973
    • Publication date Feb 14, 2019
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE