Patents by Inventor Hong-Shie Chen

Hong-Shie Chen 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).

  • DJ digital video disc drive
    Patent number: D512971
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: December 20, 2005
    Assignee: Yung Fu Technology Electrical Corp.
    Inventor: Hong-Shie Chen
  • Portable digital video disc drive
    Patent number: D513500
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: January 10, 2006
    Assignee: Yung Fu Technology Electrical Corp.
    Inventor: Hong-Shie Chen
  • Digital video disc drive
    Patent number: D528524
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: September 19, 2006
    Assignee: Yung Fu Technology Electrical Corp.
    Inventor: Hong-Shie Chen
  • Portable stereo
    Patent number: D583357
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: December 23, 2008
    Assignee: Yung Fu Technology Electrical Corp.
    Inventor: Hong-Shie Chen