Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419518 | 1,4-Dihydropyridine derivatives | Shinji Tsuchiya, Kozo Hiratsuka | 1983-12-06 |
| 4418197 | 1,4-Dihydropyridine derivatives | Shinji Tsuchiya, Kozo Hiratsuka, Susumu Tsuchiya | 1983-11-29 |