Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840953 | 9-(Substituted thio)-4H-pyrido[1,2,-A]pyrimidin-4-one derivatives | Shigeru Matsutani, Yukio Mizushima, Masami Doteuchi | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840953 | 9-(Substituted thio)-4H-pyrido[1,2,-A]pyrimidin-4-one derivatives | Shigeru Matsutani, Yukio Mizushima, Masami Doteuchi | 1989-06-20 |