Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6043373 | Heterocycle-fused thiazole derivatives | Han Yong Yoo, Jun Pyo Chai, Man Sik Chang, Sung Gyu Kim, Wahn Soo Choi +7 more | 2000-03-28 |
| 5952504 | 4-amino-3-acylnaphthyridine derivatives | Han Yong Yoo, Man Sik Chang, Sung Gyu Kim, Wahn Soo Choi, Dae-Pil Kang +6 more | 1999-09-14 |
| 5731007 | Pharmaceutical composition for skin diseases | Man Sik Chang, Jong Ok Chun, Jae Kwang Chun, Wahn Soo Choi, Sung-Chul Kim | 1998-03-24 |