Patents by Inventor Yanwen Ouyang

Yanwen Ouyang 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).

  • Combined earphones and headband
    Patent number: D1000406
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 3, 2023
    Assignee: SHENZHEN JIAFEIQI TRADING CO., LTD.
    Inventor: Yanwen Ouyang
  • Headband
    Patent number: D1005645
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: November 28, 2023
    Assignee: SHENZHEN JIAFEIQI TRADING CO., LTD.
    Inventor: Yanwen Ouyang