Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871679 | Integral multilayer analytical element for determining calcium and its use | Mitsutoshi Tanaka, Fuminori Arai, Nakatsugu Yaginuma | 1989-10-03 |
| 4839278 | Integral multilayer analytical element for measurement of alkaline phosphatase activity | Takushi Miyazako, Harumi Katsuyama | 1989-06-13 |