Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164485 | Modified hepatitis B virus surface antigen P31 and production thereof | Fujisawa Yukio, Itoh Yasuaki, Nishimura Osamu | 1992-11-17 |
| 4983520 | DNA sequence encoding modified hepatitis B virus surface antigen P31 protein | Fujisawa Yukio, Itoh Yasuaki, Nishimura Osamu | 1991-01-08 |