Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10285240 | Light emitting diode (LED) driving apparatus, lighting apparatus, and current control circuit | — | 2019-05-07 |
| 9265107 | LED driving device, lighting device and control circuit for LED driving device | — | 2016-02-16 |
| 9247612 | LED driving device and lighting device | — | 2016-01-26 |
| 8441270 | AC detection circuit for power supply | Sung Uk Lee, Dong Kyun Ryu, Kyung-Hyun Kim, Seung Heun Yang, Tai Sung Kim +4 more | 2013-05-14 |