Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970318 | Fabrication method of an organic electroluminescent devices | Kang-Hoon Choi, Sang Don Jung, Lee-Mi Do | 1999-10-19 |
| 5448080 | Ultrafast optical switching device having a double-junction multiple quantum well structure | Seon Gyu Han, Jong Tai LEE, Byueng-Su Yoo, Young-Wan Choi, Pyong-Woon Park +1 more | 1995-09-05 |