Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855109 | Chemical analysis apparatus | Katsuaki Muraishi, Nakatsugu Yaginuma, Fuminori Arai, Yuzo Iwata | 1989-08-08 |
| 4832488 | Method for correction of calibration curve in dry analytical process | Fuminori Arai, Yuzo Iwata | 1989-05-23 |