Patents by Inventor Yun Chien Li

Yun Chien Li 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).

  • Audio jack connector
    Patent number: D534494
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: January 2, 2007
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventor: Yun Chien Li
  • Receptacle connector
    Patent number: D543146
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: May 22, 2007
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Chung Yu Chen, Yun Chien Li