Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852019 | Pyrimidinylpyrazole derivatives | Akio Ejima, Ikuo Mitsui | 1998-12-22 |
| 5061795 | Hexa-cyclic compound | Hiroaki Tagawa, Hirofumi Terasawa, Akio Ejima, Satoru Ohsuki | 1991-10-29 |
| 4939255 | Hexa-cyclic camptothecin derivatives | Hiroaki Tagawa, Hirofumi Terasawa, Akio Ejima, Satoru Ohsuki | 1990-07-03 |
| 4495103 | Preparation of optically active 4-demethoxydaunomycinone | Shiro Terashima, Katsumi Tamoto | 1985-01-22 |