Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772385 | Control for use with reverse osmotic treatment system | Koichi Yamada, Ichiro Hiraiwa, Shin Taniguchi | 1988-09-20 |
| 4680109 | Membrane separator | Koichi Yamada, Ichiro Hiraiwa, Shin Taniguchi | 1987-07-14 |