Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D655779 | Filter plate for a filter press | Nobuo Honda, Kazuhisa Otani | 2012-03-13 |
| D655780 | Filter plate for a filter press | Nobuo Honda, Kazuhisa Otani | 2012-03-13 |
| 6615710 | Screw press apparatus | Eiichi Ishigaki | 2003-09-09 |
| 5357855 | Screw press for dewatering a slurry | Eiichi Ishigaki | 1994-10-25 |