Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867913 | 12.alpha.-substituted pregna-1,4-diene-3,20-diones | Hidemi Harada, Masao Tsuji, Tsutomu Sugiura, Yoshihiro Ichihara | 1989-09-19 |
| 4867914 | Pregnane derivatives and method of producing the same | Hidemi Harada, Masao Tsuji, Yoshihiro Ichihara | 1989-09-19 |
| 4520102 | Microbial process for producing 12.alpha.-hydroxypregna-1,4-dien-3-one-20.alpha.-carboxylic acid | Tsutomu Sugiura, Masao Tsuji, Hidemi Harada, Yoshihiro Ichihara | 1985-05-28 |