Patents by Inventor Hee Kyu Cha

Hee Kyu Cha 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).

  • Patent number: D571741
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: June 24, 2008
    Assignee: Global Technologies Inc. (Korea)
    Inventors: Hee Kyu Cha, Il June Cho, Jang Hoon Kim