Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465644 | Membrane element in immersion type membrane separation apparatus | Kotaro Kitamura, Yusuke Okawa, Hidemi Nagakawa | 2013-06-18 |
| 8282822 | Membrane cartridge in immersion type membrane separation apparatus | Yusuke Okawa, Hidemi Nagakawa, Naoki Okuma, Kotaro Kitamura | 2012-10-09 |
| D653303 | Frame for immersion flat filter membrane elements | Yusuke Okawa, Kei Hayashida | 2012-01-31 |
| D651280 | Immersion flat filter membrane element | Yusuke Okawa, Kazuhiko Noto | 2011-12-27 |