Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244426 | Speed-increasing and accumulating conveyor chain | Seiji Kitagawa, Tomoo Suko | 2001-06-12 |
| 6098787 | Conveyor chain using an oil impregnated sintered bushing | — | 2000-08-08 |
| 6070711 | Conveyor chain having a roller housing cylindrical rollers therein | Hiroshi Nishimura | 2000-06-06 |
| 5934411 | Checker-arm chain lubricating apparatus | Mamoru Tagawa, Kenzo Saito | 1999-08-10 |
| 5823686 | Chain with oilless antifriction bearing | Hiroshi Nishimura | 1998-10-20 |
| 5344001 | Conveyor chain with protective covers | Yuichi Kawaai, Katsutoshi Shibayama, Susumu Hamaguchi, Tomoo Suko | 1994-09-06 |
| 4736834 | Acceleration accumulating chain conveyor | Katsumi Kotegawa, Makoto Kanehira, Tomomi Hirata, Shinichi Hayashi | 1988-04-12 |