Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802929 | Rope-operated device | Hiroaki Furukawa, Sadahiro Onimaru | 1998-09-08 |
| 5475973 | Rope with corrosion resistance and bending endurance characteristics | Hiroaki Furukawa, Sadahiro Onimaru | 1995-12-19 |