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Xianzhuo Qin

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  • Shenzhen, Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Keyless control device and earphone
    • Patent number 11,991,494
    • Issue date May 21, 2024
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Shiwen Guo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Touch bluetooth headset
    • Patent number 10,924,856
    • Issue date Feb 16, 2021
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Xi Liu
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    TOUCH BLUETOOTH HEADSET
    • Publication number 20190320265
    • Publication date Oct 17, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Xi LIU
    • G06 - COMPUTING CALCULATING COUNTING