Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884213 | Method for quantitative analysis of analyte in liquid sample using analytical element | Yuzo Iwata, Masao Kitajima | 1989-11-28 |
| 4861552 | Biological reaction layer and its preparation | Nobuhito Masuda, Shigeru Nagatomo, Yukio Yasuda | 1989-08-29 |