Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876244 | Medical composition for injection containing a spergualin as active ingredient and process for preparing the same | Hamao Umezawa, Shintaro Suzuki, Taka'aki Ohkuma, Fumihiro Sato | 1989-10-24 |
| 4851446 | Immunosuppressing method | Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Fuminori Abe, Akio Fujii | 1989-07-25 |