Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788377 | LED lighting device using AC power supply | Hong Geol Choi, Ho Young Lee, Myeong Kook Gong | 2017-10-10 |
| 9641670 | Method and system for controlling call answer | — | 2017-05-02 |
| 9572212 | LED lighting device using AC power supply | Hong Geol Choi, Ho Young Lee, Myeong Kook Gong | 2017-02-14 |