Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328314 | Process for producing plasminogen activator | Akio Hasegawa, Hajimu Sakamoto | 1982-05-04 |
| 4317882 | Production of plasminogen activator | Akio Hasegawa, Mitsuru Shibukawa | 1982-03-02 |