Patents by Inventor Yu-Hsiu Liu

Yu-Hsiu 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).

  • Contact lens
    Patent number: D973741
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 27, 2022
    Assignee: PEGAVISION CORPORATION
    Inventor: Yu-Hsiu Liu
  • Contact lens
    Patent number: D973743
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 27, 2022
    Assignee: PEGAVISION CORPORATION
    Inventor: Yu-Hsiu Liu
  • Contact lens
    Patent number: D982053
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 28, 2023
    Assignee: PEGAVISION CORPORATION
    Inventor: Yu-Hsiu Liu