Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691330 | Condensed thiophene compound and pharmaceutical use thereof | Tohru Nakao, Yuji Ono, Masahiro Bougauchi | 1997-11-25 |
| 5597918 | Fused pyridazine compound | Tohru Nakao, Hiroshi Tanaka, Shuzo Takehara | 1997-01-28 |