Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265413 | Camptothecin compounds and a method of preparation thereof | Sang Sup Jew, Joon Kyum Kim, Kwang Dae Ok, Kyeong Hoi Cha, Myoung Goo Kim +4 more | 2001-07-24 |
| 6177568 | Intermediates for the synthesis of camptothecin derivatives | Sang Sup Jew, Joon Kyum Kim, Kwang Dae Ok, Kyeong Hoi Cha, Myoung Goo Kim +4 more | 2001-01-23 |
| 6042083 | Butterfly valve | — | 2000-03-28 |
| 5932742 | Arylsulfonylimidazolone derivatives as an antitumor agent | Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee +6 more | 1999-08-03 |
| 5929103 | Arylsulfonylimidazolone derivatives as an antitumor agent | Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee +6 more | 1999-07-27 |