Patents by Inventor Hee Ju Chang

Hee Ju 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).

  • Mobile phone
    Patent number: D616858
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: June 1, 2010
    Assignee: LG Electronics Inc.
    Inventor: Hee Ju Chang
  • Mobile phone
    Patent number: D620469
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: July 27, 2010
    Assignee: LG Electronics Inc.
    Inventor: Hee Ju Chang