Patents by Inventor I-Shun Chang

I-Shun Chang 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).

  • Active antenna
    Patent number: D719141
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: December 9, 2014
    Assignee: Tatung Technology Inc.
    Inventors: Wen Pu Chou, Chun-Cheng Chen, I-Shun Chang
  • Active antenna
    Patent number: D751054
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: March 8, 2016
    Assignee: TATUNG TECHNOLOGY INC.
    Inventors: Wen Pu Chou, Chun-Cheng Chen, I- Shun Chang
  • Handheld computing device housing
    Patent number: D910636
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: February 16, 2021
    Assignee: Trimble Inc.
    Inventors: Gerald Steiger, I-Shun Chang, Markus Stridsberg, Karl Forsberg