Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8901841 | AC LED dimmer and dimming method thereby | In Kyu Park | 2014-12-02 |
| 8552656 | AC light emitting device, driving device thereof, and driving method thereby | In Kyu Park, Do Hyung Kim | 2013-10-08 |
| 8324823 | AC LED dimmer and dimming method thereby | In Kyu Park | 2012-12-04 |