Patents by Inventor Bong-Wha Kim

Bong-Wha Kim 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).

  • Pneumatic radial tire having a tread pattern
    Patent number: 5616194
    Abstract: A pneumatic radial tire provides enhanced noise reduction and water releasing ability during driving by repetitious process of trapping air into the circumferential groove, formed on the tread as the air therein gets compressed and expanded before it gets released. The pneumatic tire includes a rib-lug tread pattern formed by circumferential grooves and several axial grooves at a slant angle relative to the circumferential grooves.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: April 1, 1997
    Assignee: Kumho & Co., Inc.
    Inventors: Nack-Hyun Lim, Young-Cheol Kim, Bong-Wha Kim