Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824848 | Pyrazolo[3,4-d]pyrimidine derivatives, their production and use | Yoshiyasu Furukawa, Akinobu Nagaoka | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824848 | Pyrazolo[3,4-d]pyrimidine derivatives, their production and use | Yoshiyasu Furukawa, Akinobu Nagaoka | 1989-04-25 |