Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898943 | Tricyclic triazolopyrimidine derivatives | Sumiro Isoda, Tamotsu Miwa, Hiroyuki Fujiwara, Shuichi Yokohama, Hiroo Matsumoto | 1990-02-06 |
| 4652646 | Thiazolo[3,2-a][1,2,3]triazolo[4,5-d]pyrimidine and [1,3,4]thiadiazolo[3,2-a][1,2,3]triazolo[4,5-d]pyrimidine derivatives | Sumiro Isoda, Norio Suzuki, Tamotsu Miwa | 1987-03-24 |