Patents by Inventor Qiuquan Yang

Qiuquan Yang 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).

  • Wireless charging stand for mobile phone
    Patent number: D911951
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: March 2, 2021
    Inventor: Qiuquan Yang
  • Toilet seat
    Patent number: D950691
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: May 3, 2022
    Inventor: Qiuquan Yang
  • Toilet seat
    Patent number: D961057
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: August 16, 2022
    Inventor: Qiuquan Yang