Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866064 | 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and fungicidal compositions containing the same | Yukio Tokunaga, Yoshiyuki Kojima, Nobumitsu Sawai, Yasuo Saso | 1989-09-12 |