Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880796 | Antimicrobial preparation | Yoshiya Yamahira, Keiji Fujioka, Shigeji Sato, Reimei Ishikawa | 1989-11-14 |
| 4244943 | Method for preparing urokinase injection | Yoshiya Yamahira, Keiji Fujioka, Seiko Miura, Shigeji Sato | 1981-01-13 |