Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234946 | Substituted alkylamine derivatives | Hiroshi Takezawa, Masahiro Hayashi, Yoshikazu Iwasawa, Yoshiaki Iida, Yoshimi Tsuchiya +2 more | 1993-08-10 |
| 4839353 | Anti-ulcer substituted pyridine derivatives | Ryo Nishioka, Yoshio Hioki, Yoshiaki Iida, Hiroshi Takeshita, Kenji Niiyama +1 more | 1989-06-13 |
| 4743609 | Indole derivatives having gastric and antisecretory and cytoprotective properties, and pharmaceutical preparations containing same | Fumio Nakano, Kenji Matsuyama, Hiroshi Takeshita, Kenji Niiyama, Susumu Nakagawa | 1988-05-10 |
| 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 |