Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648507 | 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate and process for producing same | Kazuo Ohtsuki, Yoshihiro Imaizumi, Nobuyoshi Honda, Satoshi Inoue | 1997-07-15 |
| 5614651 | 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate crystal and process for producing same | Kazuo Ohtsuki, Yoshihiro Imaizumi, Nobuyoshi Honda, Satoshi Inoue | 1997-03-25 |
| 4730076 | Process for producing .alpha.-aspartyl-phenylalanine ester | Tadashi Fujii, Hiroshi Yagiuchi, Shigeru Aoki, Makoto Tsuda | 1988-03-08 |
| 4582928 | Process for producing optically active phenylalanine | Shigeru Aoki, Mamoru Katagiri, Ryoichi Hasegawa, Yasuhisa Tashiro | 1986-04-15 |