Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837331 | Stabilization of tetrazolium salts with cyclodextrins | Kazuhiko Yamanishi | 1989-06-06 |
| 4801538 | Process for determining superoxide dismutase activity | Kazuhiko Yamanishi | 1989-01-31 |