Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164302 | Method for preparing 7.beta.-hydroxy-4-pregnene-3,20-dione derivatives | Makoto Yoshihama, Koji Tamura, Masamichi Nakakoshi | 1992-11-17 |
| 5126436 | Physiologically active SN-198C compounds | Kenichi Kimura, Shoji Nakayama | 1992-06-30 |
| 5098535 | Process for preparing 14-.alpha.-hydroxy-4-androstene-3,6,17-trione | Masamichi Nakakoshi, Kohji Tamura, Makoto Yoshihama | 1992-03-24 |
| 5079377 | Novel androst-4-ene-3,17-dione derivatives and method for preparing same | Makoto Yoshihama, Koji Tamura, Shoji Nakayama, Masamichi Nakakoshi | 1992-01-07 |
| 5028722 | Novel 7 .beta.-hydroxy-4-pregnene-3,20-dione derivatives and method for preparing same | Makoto Yoshihama, Koji Tamura, Masamichi Nakakoshi | 1991-07-02 |
| 4975368 | Novel androst-4-ene-3,17-dione derivatives and method for preparing same | Makoto Yoshihama, Koji Tamura, Shoji Nakayama, Masamichi Nakakoshi | 1990-12-04 |