Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230527 | Lightweight helmet shell and method for manufacturing the same | Sang-Ok Jeong, Wan-Ouk Kim | 2012-07-31 |
| 7893133 | Adhesion enhancer for polymer composition substrate and polymer composition containing the same | Sang-Ok Jeong, Wan-Ouk Kim, Kyung-Man Choi, Chang-Won Lee, Ji Eun Lee +1 more | 2011-02-22 |