Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349177 | Solid-liquid separator | Takashi Menju, Nobuyuki Ashikaga, Atsushi Yukawa, Hirofumi Noguchi, Shinji Oono | 2013-01-08 |
| 8002980 | Heavy metal collection system | Ryoichi Arimura, Nobuyuki Ashikaga, Takashi Menju, Atsushi Yukawa, Hirofumi Noguchi +1 more | 2011-08-23 |
| 5079852 | Sludge treating apparatus | Yoshio Nakayama | 1992-01-14 |