Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837342 | Prostacyclin analogue, and blood circulation improving agent and anti-ulcer composition containing it as active ingredient | Masakatsu Shibasaki, Tuyoshi Aoki, Kentaro Kogi, Yozo Nishimiya, Takeshi Nara +1 more | 1989-06-06 |