Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600047 | Process for producing optically active olefin | Tadakatsu Mandai, Manzo Shiono | 1997-02-04 |
| 5359055 | Pregnane derivatives and processes for production thereof | Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa | 1994-10-25 |
| 5322939 | Process for preparing azetidin-2-one derivatives | Tadakatsu Mandai | 1994-06-21 |
| 5218109 | Steroid compounds | Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa | 1993-06-08 |
| 5112998 | Pregnane derivatives and processes for production thereof | Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa | 1992-05-12 |
| 4906768 | Process for production of oxime derivatives | Toshiro Yamada, Kuniaki Goto | 1990-03-06 |
| 4701536 | Novel 10-membered ring compound and process for preparing the same | Takashi Takahashi | 1987-10-20 |
| 4575570 | Process for producing alpha, beta-unsaturated ketones | Hideaki Kataoka, Toshiro Yamada, Kuniaki Goto | 1986-03-11 |
| 4496766 | Process for production of .alpha.,.beta.-unsaturated ketones | Isao Shimizu | 1985-01-29 |
| 4267376 | Steroid synthesis | — | 1981-05-12 |
| 4267377 | Intermediates for steroid synthesis | — | 1981-05-12 |
| 4181683 | 1,7-Octadien-3-one and process for preparing the same | — | 1980-01-01 |