Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10405387 | LED lighting device using AC power supply | Hong Geol Choi, Ho Young Lee, Myeong Kook Gong | 2019-09-03 |
| 10165637 | LED lighting device using AC power supply | Hong Geol Choi, Ho Young Lee, Myeong Kook Gong | 2018-12-25 |
| 10015853 | LED lighting device using AC power supply | Hong Geol Choi, Ho Young Lee, Myeong Kook Gong | 2018-07-03 |
| 9924009 | Method and apparatus for controlling call answer and mobile terminal using the same | — | 2018-03-20 |
| 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 |
| 9320098 | Lighting device and light-emitting device | — | 2016-04-19 |