Issued Patents All Time
Showing 1–4 of 4 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 |
| 4898466 | Method and apparatus for emission spectroscopic analysis | Isao Fukui, Shuzo Hayahsi | 1990-02-06 |
| 4733130 | Insulating tube surrouding anode tube in analytical glow discharge tube | Tanaka Shoichi, Fukui Isao | 1988-03-22 |