Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652710 | Solid/liquid determination apparatus | Kenzo Ohji | 1997-07-29 |
| 5061368 | System for treating waste water by nitrification | Minoru Tada, Syouji Harada, Syuzo Koike, Yukio Kawaguchi, Tamotsu Mizuguchi +7 more | 1991-10-29 |