Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871679 | Integral multilayer analytical element for determining calcium and its use | Mitsutoshi Tanaka, Kaoru Terashima, Nakatsugu Yaginuma | 1989-10-03 |
| 4855109 | Chemical analysis apparatus | Katsuaki Muraishi, Nakatsugu Yaginuma, Kikuo Hirai, Yuzo Iwata | 1989-08-08 |
| 4832488 | Method for correction of calibration curve in dry analytical process | Kikuo Hirai, Yuzo Iwata | 1989-05-23 |
| 4826761 | Multilayer analytical element for analysis of cholesterol | Takeshi Igarashi | 1989-05-02 |