Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475674 | Controlling sway of elevator rope using movement of elevator car | Mouhacine Benosman, Seiji Watanabe, Daisuke Nakazawa | 2016-10-25 |
| 9327942 | Elevator rope sway detection device | Seiji Watanabe, Tsunehiro Higashinaka | 2016-05-03 |