Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389627 | Cephem compounds | Choong S. Kim, Yang Soo Ahn, Kang-Yun Jung, Nam-Ho Lee, Seong-Yong Park +4 more | 1995-02-14 |
| 5281589 | 3-fused pyridiniummethyl cephalosporins | Choong S. Kim, Seung Ho An, Sung Ku CHO, Yang Soo Ahn, Kyoung E. Choi +5 more | 1994-01-25 |