Patents by Inventor Chang-Chung Yu

Chang-Chung Yu 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).

  • Camera
    Patent number: D749660
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: February 16, 2016
    Assignee: VIVOTEK INC.
    Inventors: Chang-Chung Yu, Szu-Hsing Cheng
  • Camera
    Patent number: D820894
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 19, 2018
    Assignee: VIVOTEK INC.
    Inventors: Wei-Kai Tang, Chang-Chung Yu, Ying-Kang Chen