Patents by Inventor Sa Y. Hong

Sa Y. Hong 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).

  • Video cassette recorder
    Patent number: D311915
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: November 6, 1990
    Assignee: Gold Star Co., Ltd.
    Inventor: Sa Y. Hong
  • Video cassette recorder
    Patent number: D312826
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: December 11, 1990
    Assignee: Gold Star Co., Ltd.
    Inventor: Sa Y. Hong
  • Video cassette recorder
    Patent number: D313017
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: December 18, 1990
    Assignee: Gold Star Co., Ltd.
    Inventor: Sa Y. Hong
  • Combined liquid crystal TV and portable video cassette recorder
    Patent number: D317306
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: June 4, 1991
    Assignee: Gold Star Co., Ltd.
    Inventor: Sa Y. Hong
  • Video cassette player
    Patent number: D375949
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: November 26, 1996
    Assignee: Goldstar Co., Ltd.
    Inventor: Sa Y. Hong