Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824851 | Pyrimidones as cardiotonic, anti hypertensive, cerebrovascular vasodilator and anti-platelet agents | Takao Takaya, Kiyotaka Ito | 1989-04-25 |
| 4822787 | 3-pyrrolidinylthio-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acid compounds and antimicrobial activity thereof | Hideo Tsutsumi, Keiji Matsuda, Kohji Hattori, Takashi Nakajima | 1989-04-18 |