Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451467 | 4(3H)-Quinazolinone derivatives, process for production thereof, and pharmaceutical compositions comprising said compounds | Masayuki Ishikawa, Soyao Moriguchi, Hisashi Ebisawa | 1984-05-29 |
| 4405623 | Quinazolinde-dione compounds, process for production thereof and pharmaceutical use thereof | Masayuki Ishikawa, Akiko Sugimoto, Fujinori Sasaki, Hisashi Ebisawa, Soyao Moriguchi +1 more | 1983-09-20 |
| 4293553 | 1-Phthalazone derivatives, and use thereof | Masayuki Ishikawa, Hiromichi Tanaka, Shigeru Ito, Yoshimi Takashima, Masahiko Kobayashi | 1981-10-06 |
| 4276295 | 3-Aromatic moiety substituted-4(3H)-quinazolinones, process for production thereof, and use thereof | Masayuki Ishikawa, Hiromichi Tanaka, Shigeru Ito, Yoshimi Takashima, Masahiko Kobayashi | 1981-06-30 |