Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648507 | 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate and process for producing same | Akikazu Mitsunobu, Yoshihiro Imaizumi, Nobuyoshi Honda, Satoshi Inoue | 1997-07-15 |
| 5614651 | 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate crystal and process for producing same | Akikazu Mitsunobu, Yoshihiro Imaizumi, Nobuyoshi Honda, Satoshi Inoue | 1997-03-25 |
| 5326753 | Freeze-dried composition containing a 2-dimethylamino etoposide derivative | Taka'aki Ohkuma | 1994-07-05 |
| 5103022 | Process for producing an optically active aminoketone derivative | Akira Shiozawa, Kazuhisa Narita, Shuji Kurashige, Takeji Sakasai, Hideo Sugimura +1 more | 1992-04-07 |
| 5057535 | Derivatives of an aminoketone | Akira Shiozawa, Michio Ishikawa, Giichi Izumi, Katsuhiko Sakitama, Kazuhisa Narita +4 more | 1991-10-15 |
| 4997923 | Dihydrate crystals of etoposide-2-dimethylamino compound hydrochloride and a process for production thereof | Takao Izawa, Tadashi Fujii, Yukio Chikui | 1991-03-05 |