Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349177 | Solid-liquid separator | Nobuyuki Ashikaga, Atsushi Yukawa, Hiromi Tsukui, Hirofumi Noguchi, Shinji Oono | 2013-01-08 |
| 8252179 | Solid-liquid separator | Kazuyoshi Aoki, Yasushi Yamamoto, Mii Fukuda, Atsushi Yukawa | 2012-08-28 |
| 8211297 | Solid-liquid separator | Mii Fukuda, Yasushi Yamamoto, Kazuyoshi Aoki, Takeshi Matsushiro, Ryoichi Arimura +4 more | 2012-07-03 |
| 8002980 | Heavy metal collection system | Ryoichi Arimura, Nobuyuki Ashikaga, Atsushi Yukawa, Hiromi Tsukui, Hirofumi Noguchi +1 more | 2011-08-23 |
| 7704385 | Water treatment system | Masahiko Tsutsumi, Nobuyuki Ashikaga, Yasuhiko Nagamori, Takumi Obara, Katsuya Yamamoto | 2010-04-27 |