Patents by Inventor Guangqin Chen

Guangqin Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Earphone charging case
    Patent number: D908345
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: January 26, 2021
    Assignee: SHENZHEN SWETZ SOUND TECHNOLOGY CO., LTD.
    Inventors: Min He, Peng Wang, Weibin Dai, Guangqin Chen