Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432310 | Methods of running and washing spiral wound membrane module | Hajimu Hisada, Tomomi Ohara, Ichirou Kawada | 2002-08-13 |
| 6402956 | Treatment system and treatment method employing spiral wound type membrane module | Hajimu Hisada, Ichirou Kawada | 2002-06-11 |