Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9820342 | Power supply apparatus for LED lighting | Dong Soo Lee, Jong Hyun Lee, Kwang Jong KIM | 2017-11-14 |
| 9807833 | Power apparatus for LED lighting | Dong Soo Lee, Joo Hoon Kim | 2017-10-31 |