Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837342 | Prostacyclin analogue, and blood circulation improving agent and anti-ulcer composition containing it as active ingredient | Atsuo Takahashi, Tuyoshi Aoki, Kentaro Kogi, Yozo Nishimiya, Takeshi Nara +1 more | 1989-06-06 |
| 4810805 | (2-chloro-3-oxo-1-alkenyl)bicyclo(3.3.0)octane derivative | Katsuhiko Iseki, Masaki Shinoda, Chiyoko Aoki, Yoshio Hayashi | 1989-03-07 |