Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262431 | Prolinal derivatives and pharmaceutical compositions thereof | Masaaki Toda, Hiroyuki Ohno | 1993-11-16 |
| 5254550 | Prolinal derivatives and pharmaceutical compositions thereof | Masaaki Toda, Hiroyuki Ohno | 1993-10-19 |
| 5212191 | Heterocyclic compounds | Masaaki Toda, Hiroyuki Ohno | 1993-05-18 |
| 5169957 | Benzopyran derivatives | Masaaki Toda, Tsumoru Miyamoto | 1992-12-08 |
| 5112847 | Prolinal derivatives having inhibitory activity on prolyl endopeptidase | Masaaki Toda, Hiroyuki Ohno | 1992-05-12 |
| 5100904 | Prolinal compounds which are useful in treating amnesia | Masaaki Toda, Hiroyuki Ohno | 1992-03-31 |
| 5091406 | Prolinal derivatives | Masaaki Toda, Hiroyuki Ohno | 1992-02-25 |
| 5055598 | Benzopyran derivatives | Masaaki Toda, Tsumoru Miyamoto | 1991-10-08 |
| 5053414 | Heterocyclic compounds | Masaaki Toda, Hiroyuki Ohno | 1991-10-01 |
| 4983624 | Novel prolinal derivatives | Masaaki Toda, Hiroyuki Ohno | 1991-01-08 |
| 4977180 | Novel prolinal derivatives | Masaaki Toda, Hiroyuki Ohno | 1990-12-11 |
| 4956380 | Prolinal compounds useful in treating amnesia | Masaaki Toda, Hiroyuki Ohno | 1990-09-11 |
| 4857537 | Novel thiazolidine derivatives | Masaaki Toda, Hiroyuki Ohno | 1989-08-15 |
| 4399147 | Prostaglandin 12 analogues and their pharmaceutical compositions | Masaki Hayashi, Yoshinobu Arai, Yoshitaka Konishi, Katsuichi Shimoji, Hirohisa Wakatsuka +1 more | 1983-08-16 |
| 4234597 | 6,9-Nitrilo(imino)-prostaglandin analogues | Masaki Hayashi, Yoshinobu Arai | 1980-11-18 |
| 4232009 | .omega.-Halo-PGI.sub.2 analogues | Masaki Hayashi, Yoshinobu Arai, Shinsuke Hashimoto | 1980-11-04 |
| 4207332 | Prostaglandin I.sub.2 analogues | Masaki Hayashi, Yoshinobu Arai, Katsuichi Shimoji, Yoshitaka Konishi, Shinsuke Hashimoto | 1980-06-10 |