Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768621 | Elevator system | — | 1988-09-06 |
| 4742891 | Elevator system | Terumi Hirabayashi | 1988-05-10 |
| 4716992 | Operating panel device for an elevator system | — | 1988-01-05 |
| 4565264 | Elevator system | — | 1986-01-21 |