Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527271 | LED lighting device | Won-Hoe Koo, Dong Hyuk Kim | 2020-01-07 |
| 8770806 | Light emitting diode lighting module | Won-Hoe Koo, Chul-Woo Park, Yun Seok Woo, Dong-il Lim, Deok Hee Han | 2014-07-08 |