Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264504 | Mitomycin derivatives | Chikahiro Urakawa, Masaji Kasai, Haruko Tsuchiya, Kunikatsu Shirahata, Itaru Takahashi +1 more | 1981-04-28 |
| 4231936 | Mitomycin C derivatives | Chikahiro Urakawa, Ryoji Imai | 1980-11-04 |