Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087347 | 3-substituted-D-homo-1,3,5(10)-estratriene derivatives | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Mamoru Mieda, Tomohito Fujii | 2000-07-11 |
| 5539127 | 7-substituted oxa- or azasteroid compound | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Fumiko Inoue, Seijiro Honma +4 more | 1996-07-23 |
| 5519051 | Oxa- or azasteroid derivatives | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Teruaki Matsui, Seijiro Honma +5 more | 1996-05-21 |
| 5472962 | Benzothiophene derivative | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Teruaki Matsui, Mamoru Mieda +3 more | 1995-12-05 |