Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347138 | Method of separating serum albumin and gamma-globulin from each other | Shotaro Ohno, Kenji Koyama | 1982-08-31 |
| 4333870 | Process for separating .gamma.-globulin aggregate by polysulfone membrane | Kenji Koyama, Syotaro Ohno | 1982-06-08 |