| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 5 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Finland | 2 | |
| #6 | Norway | 2 | |
| #7 | New Zealand | 2 | |
| #8 | Germany | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Separation | |
| #3 | Water treatment | |
| #4 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sato Hachiro | 18 |
| #2 | Hachiro Sato | 3 |
| #3 | Sato H | 1 |
| #4 | Shinozaki Mitsuo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5382368A | Method for dewatering sludge | |
| US4781823A | Pre-filtering apparatus for use in continuous press | |
| CA1210987A | Continuous press | |
| US3939763A | Continuous press |