Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632848 | Heterogeneous anion exchanger | — | 2003-10-14 |
| 6569301 | Cation exchange membrane selectively permeable to monovalent cations and method for its production | Motoo Fukui, Yoshiharu Aoki | 2003-05-27 |
| 6565725 | Method for producing deionized water | Yukio Matsumura, Hiroshi Toda | 2003-05-20 |