Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802929 | Rope-operated device | Hiroaki Furukawa, Yukio Narita | 1998-09-08 |
| 5475973 | Rope with corrosion resistance and bending endurance characteristics | Hiroaki Furukawa, Yukio Narita | 1995-12-19 |
| 4953672 | Control cable system with device for reducing vibration | Fumiyasu Kuratani, Hiroyoshi Yoshino | 1990-09-04 |