Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985432 | 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and agricultural-horticultural fungicide composition containing the same | Yukio Tokunaga, Koichiro Kaku, Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai | 1991-01-15 |
| 4971971 | 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional compositions containing the same | Yukio Tokunaga, Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai | 1990-11-20 |
| 4866064 | 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and fungicidal compositions containing the same | Yukio Tokunaga, Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai | 1989-09-12 |
| 4742063 | Agricultural-horticultural fungicide employing 5H-1,3,4-thiadiazolo[3,2-a]p y | Yukio Tokunaga, Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai | 1988-05-03 |