Patents by Inventor Chang Hoon Ko

Chang Hoon 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).

  • Circuit board for semiconductor package
    Patent number: 6469258
    Abstract: A circuit board for semiconductor package is designed to provide a complete grounding with corresponding equipment in the manufacture of the semiconductor package based on a circuit board, thereby preventing a breakdown of the circuit board or semiconductor chip caused by electrostatic charges.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: October 22, 2002
    Assignees: Amkor Technology, Inc., Amkor Technology Korea, Inc.
    Inventors: Choon Heung Lee, Won Dai Shin, Chang Hoon Ko, Won Sun Shin, Seon Goo Lee, Won Kyun Lee, Tae Hoan Jang, Jun Young Yang