Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304560 | Quinazoline derivatives and their preparation | Norihiko Shimazaki, Hitoshi Yamazaki, Hirokazu Tanaka | 1994-04-19 |
| 5296487 | Quinazoline derivatives and their preparation | Norihiko Shimazaki, Hitoshi Yamazaki, Hirokazu Tanaka, Yoshikuni Itoh, Masashi Hashimoto | 1994-03-22 |