Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4668799 | Anti-hepatitis and anti-cirrhotic 1,3-dithiol-2-ylidene derivatives, and pharmaceutical compositions therefor | Junji Yoshizawa, Yoshimi Tsuchiya, Yukio Hirayama, Kaoru Shimada, Nobuyuki Mino +1 more | 1987-05-26 |
| 4443459 | .alpha.-Tocopheryl ester of 5-substituted picolinic acid and hypotensive composition containing it | Mitsuo Yano, Junji Yoshizawa, Kiyofumi Ishikawa, Nobuo Harada | 1984-04-17 |
| 4430342 | N-Acyl-3-[4-(benzoylalkyl)piperazin-1-yl]-sydnonimine compound, process for prodction thereof, and use thereof | Hiroyoshi Hidaka, Junji Yoshizawa, Shigenori Kotani | 1984-02-07 |
| 4421754 | Syndonimine derivatives, process for production thereof, and use thereof | Hiroyoshi Hidaka, Junji Yoshizawa, Shigenori Kotani | 1983-12-20 |
| 4335250 | Compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Masaaki Ishizuka, Hajime Morishima +3 more | 1982-06-15 |
| 4238507 | Pharmacological compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Masaaki Ishizuka, Hajime Morishima +1 more | 1980-12-09 |