Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881648 | Concentrator-integrated screw press | Manabu Yamashita, Masayoshi Katayama | 2014-11-11 |
| 7906029 | Sludge thickening method | Kenzou Sugaya, Hiroichi Kawasaki, Masayoshi Katayama, Manabu Yamashita | 2011-03-15 |
| 7828961 | Sludge thickening device | Kenzou Sugaya, Hiroichi Kawasaki, Masayoshi Katayama, Manabu Yamashita | 2010-11-09 |