Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845215 | Purine derivative | Takayuki Tomizawa, Shigeru Hasegawa, Kaoru Matsuo, Akio Fujii, Hiroo Hoshino | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845215 | Purine derivative | Takayuki Tomizawa, Shigeru Hasegawa, Kaoru Matsuo, Akio Fujii, Hiroo Hoshino | 1989-07-04 |