Patents by Inventor Bong-gu Sung

Bong-gu Sung 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).

  • Publication number: 20120139060
    Abstract: A semiconductor device includes an internal circuit region on a semiconductor substrate, at least one guard ring on the semiconductor substrate, the guard ring surrounding the internal circuit region, and at least one current blocking unit on the semiconductor substrate, the current blocking unit being configured to block an electric current flowing from the guard ring to the semiconductor substrate.
    Type: Application
    Filed: February 10, 2012
    Publication date: June 7, 2012
    Applicant: SAMSUSNG ELECTRONICS CO., LTD.,
    Inventors: Sang-hyeon JEON, Jun-yong NOH, Bong-gu SUNG
  • Publication number: 20090174011
    Abstract: A semiconductor device includes an internal circuit region on a semiconductor substrate, at least one guard ring on the semiconductor substrate, the guard ring surrounding the internal circuit region, and at least one current blocking unit on the semiconductor substrate, the current blocking unit being configured to block an electric current flowing from the guard ring to the semiconductor substrate.
    Type: Application
    Filed: December 17, 2008
    Publication date: July 9, 2009
    Inventors: Sang-hyeon Jeon, Jun-yong Noh, Bong-gu Sung