Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719488 | Soil pf value measuring method, and irrigation control method and irrigation control device | Tetsuo Kuroda, Ichiro Kamiya, Yuzo Narasaki | 2004-04-13 |
| 6391162 | Desalination apparatus and method of operating the same | Ichiro Kamiya, Yuzo Narasaki, Manabu Morishita, Haruki Sato | 2002-05-21 |