Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894247 | Optical semiconductor lighting apparatus | Dong Soo Kim, Seok Jin Kang | 2014-11-25 |
| 8814398 | Optical semiconductor based illuminating apparatus | Seok Jin Kang, Yoon Gil Jang, Su Woon LEE, Dong-Hee Kim | 2014-08-26 |
| 8801231 | Optical semiconductor lighting apparatus | Dong Soo Kim, Seok Jin Kang | 2014-08-12 |