Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363189 | Spectroscopic analysis method and analyzing system | Isao Fukui | 1994-11-08 |
| 5303025 | Emission spectrochemical quantitative analysis method and apparatus | Isao Fukui, Naoki Imamura | 1994-04-12 |