Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8410809 | Under-voltage and over-voltage detection circuit and driving method thereof | Kyoungmin Lee, Duckki KWON, Juho Kim, Byongsung Lee | 2013-04-02 |
| 8169163 | Control device and LED light emitting device using the control device | Duckki KWON, Juho Kim | 2012-05-01 |