Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914106 | Compositions and methods employing 2-oxa- or -aza-pregnan compounds for inhibiting androgen or supplying progestin in mammals | Kenyu Shibata, Naoyuki Koizumi, Shigehiro Takegawa, Eiichiro Shimazawa, Mamoru Mieda | 1990-04-03 |
| 4785103 | 2-oxa- or -aza-pregnane compounds | Kenyu Shibata, Naoyuki Koizumi, Shigehiro Takegawa, Eiichiro Shimazawa, Mamoru Mieda | 1988-11-15 |
| 4293557 | Antiulcer phenoxypropylamine derivatives | Kenyu Shibata, Toshihisa Itaya, Shigeru Kurata, Naoyuki Koizumi, Masaaki Tarutani +2 more | 1981-10-06 |