Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10986050 | Method and apparatus for providing in-game messenger service | Hyuk Bin Kwon, Ki Dae Lee, Joo Young Lee, Su Hyeok Cha, Gie Young Lee +1 more | 2021-04-20 |
| 5389627 | Cephem compounds | Choong S. Kim, Kang-Yun Jung, Nam-Ho Lee, Rok L. Yun, Seong-Yong Park +4 more | 1995-02-14 |
| 5281589 | 3-fused pyridiniummethyl cephalosporins | Choong S. Kim, Seung Ho An, Sung Ku CHO, Kyoung E. Choi, Je Hak Kim +5 more | 1994-01-25 |