Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8392951 | Information providing apparatus and method thereof | Il Yong Park, Seong Pyo Hong | 2013-03-05 |
| 6676477 | Toy having detachable central processing unit | Byung-Ju Dan, Jong Rak Lim, Jang Boo, Hee Wang, Nam-Woong Kim +1 more | 2004-01-13 |
| 6114775 | Control system of auxiliary power system for a hybrid electric vehicle | Seung Myun Chung, Ho Kyoung KIM, Juhn-Sub Whang | 2000-09-05 |