Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533937 | Methods of running and washing spiral wound membrane modules | Tetsurou Adachi, Masaaki Andou, Hajimu Hisada, Tomomi Ohara, Toshiyuki Kawashima | 2003-03-18 |
| 6508937 | Fresh water generator and fresh water generating method | Toshiyuki Kawashima | 2003-01-21 |
| 6432310 | Methods of running and washing spiral wound membrane module | Masaaki Andou, Hajimu Hisada, Tomomi Ohara | 2002-08-13 |
| 6402956 | Treatment system and treatment method employing spiral wound type membrane module | Masaaki Andou, Hajimu Hisada | 2002-06-11 |
| 6334955 | Fresh water generator and fresh water generating method | Toshiyuki Kawashima | 2002-01-01 |