Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833846 | High-purity water producing apparatus utilizing boron-selective ion exchange resin | Sakae Kaneko | 1998-11-10 |
| 5811012 | Deionized water or high purity water producing method and apparatus | Sakae Kaneko, Ikuo Shindo | 1998-09-22 |