Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170644 | Air-floating belt conveyor device | Akira Nakaegawa, Shinichi Sumino, Motohiro Shiraishi | 2001-01-09 |
| 6003659 | Twin belt conveyor apparatus | Masaki Uranaka | 1999-12-21 |