Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451467 | 4(3H)-Quinazolinone derivatives, process for production thereof, and pharmaceutical compositions comprising said compounds | Masayuki Ishikawa, Yukuo Eguchi, Soyao Moriguchi | 1984-05-29 |
| 4405623 | Quinazolinde-dione compounds, process for production thereof and pharmaceutical use thereof | Masayuki Ishikawa, Akiko Sugimoto, Yukuo Eguchi, Fujinori Sasaki, Soyao Moriguchi +1 more | 1983-09-20 |