Patents by Inventor Jiangzhao Liu

Jiangzhao Liu 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).

  • Polishing pad
    Patent number: D980032
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 7, 2023
    Inventor: Jiangzhao Liu
  • Buffing pad
    Patent number: D1017363
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: March 12, 2024
    Inventor: Jiangzhao Liu