Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288898 | N-methylphenylserine alkyl ester derivatives and uses thereof | Hamao Umezawa, Tomio Takeuchi, Hajime Morishima, Yoshio Sawasaki, Hiroshi Takezawa +1 more | 1994-02-22 |
| 4833268 | Threo-adrenalinecarboxylic acid, and the production and uses thereof | Hamao Umezawa, Hirotaro Narabayashi, Tomio Takeuchi, Shuichi Iwadare, Ikuo Matsumoto +3 more | 1989-05-23 |
| 4745067 | L-aminoacylases | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Shuichi Iwadare, Ikuo Matsumoto +1 more | 1988-05-17 |
| 4699879 | Process for microbial production of an optically active 3-(3,4-dihydroxyphenyl)serine | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Shuichi Iwadare, Ikuo Matsumoto +1 more | 1987-10-13 |
| 4371514 | Radioimmunoassay of pterins and novel pterin derivatives useful therefor | Takeshi Kato, Tokio Yamaguchi, Miki Akino, Sadao Matsuura, Takashi Sugimoto | 1983-02-01 |
| 4191808 | Method of measuring dipeptidyl-amino-peptidase activity | Shumpei Sakakibara | 1980-03-04 |
| 4191809 | Method of measuring enzymatic activity using novel peptide derivatives | Shumpei Sakakibara | 1980-03-04 |