Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520681 | Butt coupling structure and method of photonic quantum ring hole emitter | Seungeun Lee | 2009-04-21 |
| 7319711 | Light-emitting device and light-emitting device array using a whispering gallery mode, and method for manufacturing same | Moojin Kim, Sung-Jae An, Seungeun Lee, Dongkwon Kim | 2008-01-15 |
| 6803852 | Sensor for preventing automobile crashes by using photonic quantum ring laser array | Byeong-Hoon Park | 2004-10-12 |
| 6519271 | Photonic quantum ring laser diode | Jung-Chak Ahn, Byung-Hoon Park | 2003-02-11 |
| 5561683 | Circular grating surface emitting laser diode | — | 1996-10-01 |
| 5238867 | Method for preparing an optical switching device having multiple quantum wells | Seung Won Lee | 1993-08-24 |
| 4824587 | Composites of coercive particles and superparamagnetic particles | Jitka Solc | 1989-04-25 |