Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129507 | Roller conveyor | Toshio Maeda | 1992-07-14 |
| 5080219 | Driver system roller apparatus | Masao Imai, Gokichi Hatouchi | 1992-01-14 |
| 4815588 | Roller conveyor | Hifumi Katsuragi, Kazuyoshi Ogita | 1989-03-28 |