Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505541 | Structure for mounting an agitating apparatus for a digestion tank | — | 1996-04-09 |
| 5167821 | Method for thickening and dewatering slurry sludge | Norihito Tanbo, Hiromu Fukano | 1992-12-01 |
| 4986910 | Apparatus for dehydrating sludge | Kiyoshi Uyama | 1991-01-22 |
| 4761895 | Method and apparatus for dehydrating sludge | Kiyoshi Uyama, Yoshio Kanno, Kiyoteru Segawa | 1988-08-09 |
| 4657682 | Method for dehydrating sludge | Kiyoshi Uyama | 1987-04-14 |