Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061800 | Camptothecin derivatives | Takashi Yaegashi, Satoru Okajima, Seigo Sawada, Kenichi Tezuka, Hiroshi Nagata +2 more | 1991-10-29 |
| 4914205 | Camptothecin derivatives | Seigo Sawada, Satoru Okajima, Hisako Nagai, Takashi Yaegashi, Kenichi Tezuka +1 more | 1990-04-03 |
| RE32518 | Camptothecin derivatives | Tadashi Miyasaka, Masahiko Mutai, Seigo Sawada, Hisao Hagiwara | 1987-10-13 |
| 4604463 | Camptothecin derivatives and process for preparing same | Tadashi Miyasaka, Seigo Sawada, Eiichi Sugino, Masahiko Mutai | 1986-08-05 |
| 4545880 | Photochemical process for preparing camptothecin derivatives | Tadashi Miyasaka, Seigo Sawada, Masahiko Mutai | 1985-10-08 |
| 4513138 | Camptothecin-1-oxide derivatives | Tadashi Miyasaka, Seigo Sawada, Masahiko Mutai | 1985-04-23 |
| 4473692 | Camptothecin derivatives and process for preparing same | Tadashi Miyasaka, Seigo Sawada, Masahiko Mutai | 1984-09-25 |
| 4399276 | 7-Substituted camptothecin derivatives | Tadashi Miyasaka, Masahiko Mutai, Seigo Sawada | 1983-08-16 |
| 4399282 | Camptothecin derivatives | Tadashi Miyasaka, Masahiko Mutai, Seigo Sawada, Hisao Hagiwara | 1983-08-16 |