Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878294 | Running method and treatment system for spiral wound membrane element and spiral wound membrane module | Katsumi Ishii, Satoru Ishihara | 2005-04-12 |
| 6861000 | Running method and washing method for spiral wound membrane element and spiral wound membrane module | Satoru Ishihara, Katsumi Ishii | 2005-03-01 |