Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8091687 | Elevator system | — | 2012-01-10 |
| 7717238 | Elevator control system | Masaaki Amano | 2010-05-18 |
| 6561319 | Elevator information communication system | Akihito Mori, Hideyo Ujihara | 2003-05-13 |
| 6497306 | Elevator information communication system | Akihito Mori, Hideyo Ujihara | 2002-12-24 |
| 6488127 | Elevator information communication system | Akihito Mori, Hideyo Ujihara | 2002-12-03 |
| 6427808 | Elevator information communication system | Akihito Mori, Hideyo Ujihara | 2002-08-06 |