Patents by Inventor Sung Hwa Chang

Sung Hwa 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).

  • Digital camera
    Patent number: D561222
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: February 5, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Seung Seup Yoo, Eun Kyung Lee, Sung Hwa Chang
  • Digital camera
    Patent number: D571843
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: June 24, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Eun-kyung Lee, Seung-seup Yoo, Sung-hwa Chang
  • Digital camera
    Patent number: D571844
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: June 24, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Eun-kyung Lee, Seung-seup Yoo, Sung-hwa Chang
  • Digital camera
    Patent number: D574869
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: August 12, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Kenji Baba, Sung-hwa Chang, Seung-seup Yoo
  • Monitoring camera
    Patent number: D579474
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: October 28, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Seung-seup Yoo, Jae-in Kim, Sung-hwa Chang
  • Monitoring camera
    Patent number: D582460
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: December 9, 2008
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Seung-seup Yoo, Jae-in Kim, Sung-hwa Chang