Patents by Inventor Chung-Ming Christopher Tsang

Chung-Ming Christopher Tsang 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).

  • User input apparatus
    Patent number: D958788
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: July 26, 2022
    Assignee: Grant & Union Inc.
    Inventors: Calvin Chu, Sirui Wang, Chung-Ming Christopher Tsang
  • User input apparatus
    Patent number: D958789
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: July 26, 2022
    Assignee: Grant & Union Inc.
    Inventors: Calvin Chu, Sirui Wang, Chung-Ming Christopher Tsang
  • 3D user input apparatus
    Patent number: D966266
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: October 11, 2022
    Assignee: GRANT & UNION INC.
    Inventors: Calvin Chu, Sirui Wang, Zhan Yong Qi, Chung-Ming Christopher Tsang