Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8115466 | Converter and driving method thereof | Hang-Seok Choi, Young Bae Park, Gwan-Bon Koo | 2012-02-14 |
| 8000119 | Switching mode power supply and method of operation | Hang-Seok Choi, Gwan-Bon Koo | 2011-08-16 |
| 7957162 | Switch mode power supply and driving method thereof | Hang-Seok Choi | 2011-06-07 |
| 7791909 | Quasi-resonant converter and controlling method thereof | Gwan-Bon Koo, Hang-Seok Choi | 2010-09-07 |
| 7684216 | Quasi resonant switching mode power supply | Hang-Seok Choi, Jin Tae Kim | 2010-03-23 |