Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8890431 | LED driving apparatus and method | Yeun Joong Lee, Deuk Hee Park, Sang Hyun Cha, Jae Shin Lee | 2014-11-18 |
| 8796942 | LED circuit | Yeun Joong Lee, Deuk Hee Park, Sang Hyun Cha, Jae Shin Lee | 2014-08-05 |
| 8749147 | LED circuit | Yeun Joong Lee, Deuk Hee Park, Sang Hyun Cha, Jae Shin Lee | 2014-06-10 |