Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351806 | Flexible screw for conveyors | Masaaki Ohtsuji, Kiyoshi Furukawa | 1994-10-04 |
| 5303814 | Flexible screw type conveyor system | Masaaki Ohtsuji, Shuichiro Miyazaki | 1994-04-19 |