Patents by Inventor John Hyun Park

John Hyun Park 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).

  • Carbon-carbon composite for friction products and method of making same
    Patent number: 6093482
    Abstract: A carbon--carbon composite for friction products comprises an outer friction part and a load bearing structure part supporting the friction part. The friction part contains a mixture of carbon fibers, pitch powder and graphite powder, whereas the structure part is comprised of a pack of alternating layers of the mixture and layers of one member selected from the group consisting of carbon fabrics, carbon-based prepregs and carbon-based, segmented prepregs.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: July 25, 2000
    Assignee: Daewoo Heavy Industries Ltd.
    Inventors: Hyun Cheol Park, Hong Bum Lee, Ik Hyun Oh, Hyun Kyu Shin, Kwang Soo Kim, John Hyun Park