Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942564 | Overspeed prevention structure using plastic optical fiber | Jong Chan LEE, Gi Seung Choi | 2011-05-17 |
| 7837345 | Aquatic light emitting device | Gi Seung Choi, Jong Chan LEE, Hyo-Jin Weon, Min Su Kim | 2010-11-23 |