Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833268 | Threo-adrenalinecarboxylic acid, and the production and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Hirotaro Narabayashi, Tomio Takeuchi, Ikuo Matsumoto +3 more | 1989-05-23 |
| 4745067 | L-aminoacylases | Hamao Umezawa, Tomio Takeuchi, Toshiharu Nagatsu, Masa Hamada, 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, Toshiharu Nagatsu, Masa Hamada, Ikuo Matsumoto +1 more | 1987-10-13 |