Patents by Inventor Yonghai Yu

Yonghai Yu 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).

  • Photo studio
    Patent number: D986945
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: May 23, 2023
    Inventor: Yonghai Yu
  • Portable toilet
    Patent number: D1077154
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: May 27, 2025
    Assignee: Shenzhen Beiduole Technology Co., Ltd.
    Inventor: Yonghai Yu
  • Photo studio
    Patent number: D1121011
    Type: Grant
    Filed: November 12, 2023
    Date of Patent: March 31, 2026
    Inventor: Yonghai Yu