Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839277 | Method for purification of HBc antigen and method for measurement of HBc antibody by using said purified HBc antigen | Keishin Sugahara, Takayuki Imamura, Fukusaburo Hamada, Haruo Fujita, Kazuhide Yagami | 1989-06-13 |