Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257373 | Apparatus for controlling allocation of elevators based on learned travel direction and traffic | Shiro Hikita | 2001-07-10 |
| 5257176 | Control operation specification setting apparatus for an elevator | — | 1993-10-26 |
| 5027299 | Elevator testing apparatus | — | 1991-06-25 |
| 4972926 | Hall information system for elevator | Shintaro Tsuji | 1990-11-27 |
| 4802082 | Supervisory system for elevators | — | 1989-01-31 |
| 4682342 | Signal transmission system | — | 1987-07-21 |
| 4677577 | Apparatus for statistically processing elevator traffic information | Katsunori Takabe | 1987-06-30 |
| 4672531 | Elevator supervisory learning control apparatus | — | 1987-06-09 |
| 4603387 | Apparatus for predicting load in car or elevator | — | 1986-07-29 |
| 4562530 | Elevator traffic demand analyzing system | Yasukazu Umeda | 1985-12-31 |
| 4553639 | Elevator supervision system | — | 1985-11-19 |
| 4542463 | Group supervisory control system for elevator | — | 1985-09-17 |
| 4531616 | Elevator control system | Yasukazu Umeda | 1985-07-30 |
| 4473134 | Group supervisory control system for elevator | — | 1984-09-25 |
| 4458787 | Group supervisory control system for elevator | — | 1984-07-10 |