Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190545 | Optical device including three-coupled quantum well structure having multi-energy level | Yong-chul Cho, Yong-Tak Lee, Chang-young PARK, Byung-hoon NA, Yong-hwa Park | 2015-11-17 |
| 9082909 | Optical device including three coupled quantum well structure | Yong-chul Cho, Yong-Tak Lee, Chang-young PARK, Byung-hoon NA, Yong-hwa Park +1 more | 2015-07-14 |
| 9051178 | Transmissive image modulator including stacked diode structure having multi absorption modes | Yong-chul Cho, Yong-Tak Lee, Jang-woo YOU, Byung-hoon NA, Yong-hwa Park +2 more | 2015-06-09 |