Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995453 | Lamp bulb with internal reflector | — | 2018-06-12 |
| 9951924 | LED illumination apparatus with internal reflector | — | 2018-04-24 |
| 9885457 | LED illumination lamp bulb with internal reflector | — | 2018-02-06 |
| 9865677 | Super junction semiconductor device | Hyuk Woo, Dae Byung Kim, Chang Yong Choi, Kwang Yeon Jun, Moon Soo Cho +1 more | 2018-01-09 |