Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506356 | N-acylamino acid derivatives and their use | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1996-04-09 |
| 5481036 | N-acylamino acid derivatives and their use | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1996-01-02 |
| 5424309 | N-substituted acylamino acid compounds, process for their production and their use | Yutaka Kokie, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1995-06-13 |
| 5319082 | N-acylamino acid derivatives | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1994-06-07 |
| 5288898 | N-methylphenylserine alkyl ester derivatives and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Tomio Takeuchi, Yoshio Sawasaki, Hiroshi Takezawa +1 more | 1994-02-22 |
| 5240924 | N-acylamino acid derivatives and their use | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1993-08-31 |
| 5122523 | N-acylamino acid derivatives and their pharmaceutical compositions | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1992-06-16 |
| 4927565 | 5-substituted amino-4-hydroxy-pentenoic acid derivatives and their use | Seiichi Tanaka, Yutaka Koike, Masato Nakano, Shugo Atsuumi, Kenji Matsuyama | 1990-05-22 |
| 4851387 | 5-substituted amino-4-hydroxy-pentanoic acid derivatives and their use | Yutaka Koike, Masato Nakano, Shugo Atsuumi, Seiichi Tanaka, Kenji Matsuyama | 1989-07-25 |
| 4833268 | Threo-adrenalinecarboxylic acid, and the production and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Hirotaro Narabayashi, Tomio Takeuchi, Shuichi Iwadare +3 more | 1989-05-23 |
| 4745067 | L-aminoacylases | Hamao Umezawa, Tomio Takeuchi, Toshiharu Nagatsu, Masa Hamada, Shuichi Iwadare +1 more | 1988-05-17 |
| 4699879 | Process for microbial production of an optically active 3-(3,4-dihydroxyphenyl)serine | Hamao Umezawa, Tomio Takeuchi, Toshiharu Nagatsu, Masa Hamada, Shuichi Iwadare +1 more | 1987-10-13 |
| 4335250 | Compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Masaaki Ishizuka, Takuzo Yamamoto +3 more | 1982-06-15 |
| 4238507 | Pharmacological compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Masaaki Ishizuka, Ikuo Matsumoto +1 more | 1980-12-09 |