Patents by Inventor Xiujun Hu

Xiujun Hu 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).

  • Educational toy
    Patent number: D1081814
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: July 1, 2025
    Inventor: Xiujun Hu
  • Educational toy
    Patent number: D1081815
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: July 1, 2025
    Inventor: Xiujun Hu
  • Educational toy
    Patent number: D1081816
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: July 1, 2025
    Inventor: Xiujun Hu