Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839376 | Pyrazoline derivatives for treating cerebrovascular diseases | Makoto Odate, Hajime Iizuka, Hiroshi Kawazura, Yoshio Shiga, Hiroshi Namekawa | 1989-06-13 |
| 4834462 | Cutter for impact-type cutting machine | — | 1989-05-30 |
| 4814458 | Process for preparing 4-acetyl isoquinolinone compounds | Nobuyuki Fukazawa, Tatsuo Kaiho | 1989-03-21 |