Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839278 | Integral multilayer analytical element for measurement of alkaline phosphatase activity | Kaoru Terashima, Harumi Katsuyama | 1989-06-13 |
| H623 | Integral multilayer analysis element | — | 1989-04-04 |