Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084954 | Lamp driving circuit | Sung Ho Kim | 2011-12-27 |
| 8068353 | Switching mode power supply circuit | Sung Ho Kim, Kwang Seung Cho | 2011-11-29 |
| 6686725 | Power supply circuit compensating power factor | Kyu-Suk Han | 2004-02-03 |