Patents by Inventor Hanjun Hu

Hanjun 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: D1020918
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 2, 2024
    Assignee: Shenzhen Hongdi Cultural Communication Co., Ltd
    Inventor: Hanjun Hu
  • Educational toy
    Patent number: D1022054
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 9, 2024
    Assignee: Shenzhen Hongdi Cultural Communication Co., Ltd
    Inventor: Hanjun Hu
  • Air pump
    Patent number: D1081722
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: July 1, 2025
    Assignee: Shenzhen HYTD Technology Co., Ltd
    Inventors: Qun Chen, Hanjun Hu
  • Ankle exerciser
    Patent number: D1088149
    Type: Grant
    Filed: November 8, 2024
    Date of Patent: August 12, 2025
    Assignee: Shenzhen Muqiqu Creative Development Co., Ltd.
    Inventor: Hanjun Hu