Patents by Inventor Jiaju Chen

Jiaju 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).

  • Baby placemat with fidget toy
    Patent number: D992046
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: July 11, 2023
    Assignee: DONGGUAN HEECOOL TECHNOLOGY CO., LTD
    Inventor: Jiaju Chen
  • Stress reduction squeeze toy
    Patent number: D997260
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: August 29, 2023
    Assignee: LONGCHENG SILICONE TECHNOLOGY (DONGGUAN) CO., LTD
    Inventors: Jiaju Chen, Zibin Wu
  • Water balloon
    Patent number: D1003366
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: October 31, 2023
    Inventor: Jiaju Chen