Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228240 | Method and apparatus for producing deionized water | Ichiro Terada, Hiroshi Toda, Junjiro Iwamoto, Kazuo Umemura, Ken Komatsu +3 more | 2001-05-08 |
| 5961805 | Method and apparatus for producing deionized water | Ichiro Terada, Hiroshi Toda, Junjiro Iwamoto, Kazuo Umemura, Ken Komatsu +3 more | 1999-10-05 |
| 5944972 | Method for producing deionized water | Hiroshi Toda, David Florian Tessier | 1999-08-31 |