Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874760 | 4,7-dihydroisothiazolo(5,4-b)pyridine derivatives and cardiovascular treating agents containing said derivatives | Shin-ichi Yamada, Takao Goto, Toshihisa Mashiko, Yukiko Oguchi, Senichi Narita | 1989-10-17 |
| 4837342 | Prostacyclin analogue, and blood circulation improving agent and anti-ulcer composition containing it as active ingredient | Masakatsu Shibasaki, Atsuo Takahashi, Tuyoshi Aoki, Yozo Nishimiya, Takeshi Nara +1 more | 1989-06-06 |