Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821430 | Method of treating reverse osmosis membrane element, and reverse osmosis membrane module | Masaaki Andou, Terutaka Watanabe, Masahiko Hirose, Hisao Hachisuka, Mark Wilf +1 more | 2004-11-23 |