Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617456 | Camptothecin derivatives | Kenji Tsujihara, Takayuki Kawaguchi, Toshiro Yano | 2003-09-09 |
| 6512118 | Camptothecin derivatives | Kenji Tsujihara, Takayuki Kawaguchi, Toshiro Yano | 2003-01-28 |