Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472411 | 1,4-Dihydropyridine derivatives and use as vasodilators | Katsuo Hatayama, Aturo Nakazato, Toshihisa Ogawa, Jiro Sawada | 1984-09-18 |
| 4420631 | Esters of the carboxylic acid | Takehiro Amano, Toshihisa Ogawa, Kensei Yoshikawa, Yoshinori Shiobara, Tatsuhiko Sano +3 more | 1983-12-13 |