Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886809 | Carbostyril derivatives and salts thereof | Shigeharu Tamada, Takafumi Fujioka, Hidenori Ogawa, Shuji Teramoto | 1989-12-12 |
| 4845100 | Carbostyril derivatives and salts thereof, processes for preparing the same and cardiotonic composition containing the same | Atsushi Abiko, Takafumi Fujioka, Kazuyuki Nakagawa | 1989-07-04 |