Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654552 | Interleaved type power factor correction circuit having transformer forming separated winding structure | Sung Uk Lee | 2014-02-18 |
| 8441270 | AC detection circuit for power supply | Sung Uk Lee, Dong Kyun Ryu, Nam Su KOO, Kyung-Hyun Kim, Seung Heun Yang +4 more | 2013-05-14 |
| 8362790 | AC detection circuit for power supply | Sung Uk Lee, Dong Kyun Ryu, Kyung-Hyun Kim, Seung Heun Yang, Tai Sung Kim +3 more | 2013-01-29 |
| 8259475 | Power supply circuit having AC power discharging functions | Ki Eun Lee | 2012-09-04 |