Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632358 | Tank filtration apparatus containing hollow fiber membrane cartridge | Hidehiko Tanaka | 2003-10-14 |
| 6592152 | Joint structure for filtration membrane module | Tatsuo Nejigaki | 2003-07-15 |