Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073268 | Process and system for purifying pure water or ultrapure water | Takayuki Saito, Ken Nakajima, Yukio Ikeda, Hiroyuki Shima | 1991-12-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073268 | Process and system for purifying pure water or ultrapure water | Takayuki Saito, Ken Nakajima, Yukio Ikeda, Hiroyuki Shima | 1991-12-17 |