Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047543 | 1,4-dihydropyridine derivatives | Toshihisa Ogawa, Tomomi Ota, Shuichi Sato, Yoshiaki Watanabe, Katsuo Hatayama | 1991-09-10 |
| 4948899 | 1,4-dihydropyridine derivatives | Toshihisa Ogawa, Tomomi Ota, Shuichi Sato, Yoshiaki Watanabe, Katsuo Hatayama | 1990-08-14 |