Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837124 | Method and apparatus for preventing scale from precipitating in producing deionized water | Qingquan Su, Syu Nakanishi, Takayuki Saito | 1998-11-17 |
| 5788828 | Apparatus for detecting anions in water | Syu Nakanishi, Akira Fukunaga, Takayuki Saito, Kanroku Chounan | 1998-08-04 |