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, Kaoru Terashima | 1989-10-03 |
| 4855109 | Chemical analysis apparatus | Katsuaki Muraishi, Kikuo Hirai, Fuminori Arai, Yuzo Iwata | 1989-08-08 |