Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017404 | Steroid hormone assay method | Noriko Haketa, Shingo Kakuo | 2011-09-13 |
| 5539127 | 7-substituted oxa- or azasteroid compound | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Tomoko Kawachi, Fumiko Inoue +4 more | 1996-07-23 |
| 5519051 | Oxa- or azasteroid derivatives | Naoyuki Koizumi, Shigehiro Takegawa, Shigeki Iwashita, Tomoko Kawachi, Teruaki Matsui +5 more | 1996-05-21 |
| 4843072 | Antihypertensive pyridazinone aminoisopropanol derivatives | Kikuo Yasuda, Kenyu Shibata, Toshimi Seki, Kohichi Hasumi, Takeshi Masuda +4 more | 1989-06-27 |