Patents by Inventor Weijie Cai

Weijie Cai 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).

  • Foot massager
    Patent number: D825768
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: August 14, 2018
    Assignee: OSIM International Pte Ltd
    Inventor: Weijie Cai
  • Massage chair
    Patent number: D836354
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: December 25, 2018
    Assignee: OSIM International Pte Ltd
    Inventor: Weijie Cai
  • Foot massager
    Patent number: D923189
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: June 22, 2021
    Inventor: Weijie Cai
  • Massage chair
    Patent number: D996844
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: August 29, 2023
    Assignee: OSIM INTERNATIONAL PTE LTD
    Inventor: Weijie Cai