Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444172 | Water quality meter and water quality monitoring system | Masao Fukunaga, Tamio Ishihara, Koji Saito, Hideo Enoki, Sadao Mori +3 more | 2002-09-03 |
| 6398930 | Water quality meter and water quality monitoring system | Masao Fukunaga, Tamio Ishihara, Koji Saito, Hideo Enoki, Sadao Mori +3 more | 2002-06-04 |
| 6290908 | Water quality meter and water monitoring system | Masao Fukunaga, Tamio Ishihara, Koji Saito, Hideo Enoki, Sadao Mori +3 more | 2001-09-18 |