Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327942 | Elevator rope sway detection device | Daiki Fukui, Seiji Watanabe | 2016-05-03 |
| 7849972 | Emergency stop device of elevator | — | 2010-12-14 |
| 7753176 | Emergency stop system of elevator | Hiroshi Kigawa, Mineo Okada | 2010-07-13 |