Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931802 | Water treatment system | Kazuhisa Nishimori, Kiyoshi Izumi, Tatsuya Uejima, Hidetoshi Masutani, Shigeto Miuma | 2011-04-26 |
| 6843908 | Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same | Yasunobu Okajima, Tatsuya Uejima, Masaaki Nagano, Kiyoshi Izumi, Yutaka Yamada | 2005-01-18 |