Patents by Inventor Joung-Myoung Ko

Joung-Myoung Ko 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).

  • Apparatus for detecting arc fault
    Patent number: 7106069
    Abstract: An apparatus for detecting an arc fault.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: September 12, 2006
    Assignees: Human El-Tech, Inc.
    Inventors: Cheon-Youn Kim, Dong-Seb Kim, Joung-Myoung Ko, Je-Chun Moon
  • Apparatus for detecting arc fault
    Publication number: 20050264962
    Abstract: An apparatus for detecting an arc fault.
    Type: Application
    Filed: July 27, 2005
    Publication date: December 1, 2005
    Inventors: Cheon-Youn Kim, Dong-Seb Kim, Joung-Myoung Ko, Je-Chun Moon
  • Apparatus for detecting arc fault
    Publication number: 20050017732
    Abstract: An apparatus for detecting an arc fault.
    Type: Application
    Filed: June 4, 2004
    Publication date: January 27, 2005
    Inventors: Cheon-Youn Kim, Dong-Seb Kim, Joung-Myoung Ko, Je-Chun Moon
  • Apparatus for detecting arc fault
    Publication number: 20040095695
    Abstract: An apparatus for detecting an arc fault.
    Type: Application
    Filed: August 14, 2003
    Publication date: May 20, 2004
    Inventors: Cheon-Youn Kim, Dong Seb Kim, Joung Myoung Ko, Je Chun Moon