Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7598408 | Intermediates for synthesis of vitamin D derivatives | Hidekazu Imahori, Hiroya Koyama, Daisuke Yoshihara, Yoshinori Sawashita, Sota Kurita +2 more | 2009-10-06 |
| 4867913 | 12.alpha.-substituted pregna-1,4-diene-3,20-diones | Masayasu Bunno, Hidemi Harada, Masao Tsuji, Tsutomu Sugiura | 1989-09-19 |
| 4867914 | Pregnane derivatives and method of producing the same | Masayasu Bunno, Hidemi Harada, Masao Tsuji | 1989-09-19 |
| 4592868 | 11-hydroxypregn-4-en-3-one-20-carbaldehyde and a method for its production | Masao Tsuji, Fumio Mori | 1986-06-03 |
| 4520102 | Microbial process for producing 12.alpha.-hydroxypregna-1,4-dien-3-one-20.alpha.-carboxylic acid | Masayasu Bunno, Tsutomu Sugiura, Masao Tsuji, Hidemi Harada | 1985-05-28 |
| 4359529 | Microbial process for producing cholanic acid derivatives | Masao Tsuji | 1982-11-16 |