Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334807 | Apparatus for elevator group control having low service floor detection for improved passenger pickup efficiency | Susumu Kubo, Shoji Nakai | 1994-08-02 |
| 5168135 | Allocation of elevator car to floors including car direction reversals which improve service | Susumu Kubo | 1992-12-01 |