Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284175 | Emergency stop apparatus for electric elevators | Toshiaki Ishii | 1981-08-18 |
| 4271931 | Elevator control device | — | 1981-06-09 |
| 4269286 | Speed control apparatus for elevator system | Toshiaki Ishii | 1981-05-26 |
| 4238005 | Deceleration controlling apparatus for elevator | Nobuo Anzai | 1980-12-09 |
| 4209082 | Elevator control apparatus | Nobuo Anzai | 1980-06-24 |
| 4194594 | Elevator landing control apparatus | Toshiaki Ishii | 1980-03-25 |