Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632895 | Serum separating device and apparatus for serum separation | Toshimasa Yamamoto | 1997-05-27 |
| 5266199 | Serum separating apparatus | Toshio Inoue, Toshimasa Yamamoto | 1993-11-30 |