Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349177 | Solid-liquid separator | Takashi Menju, Nobuyuki Ashikaga, Atsushi Yukawa, Hiromi Tsukui, Hirofumi Noguchi | 2013-01-08 |
| 8002980 | Heavy metal collection system | Ryoichi Arimura, Nobuyuki Ashikaga, Takashi Menju, Atsushi Yukawa, Hiromi Tsukui +1 more | 2011-08-23 |