Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162623 | Elevator monitor and control system with multiple power sources | — | 1992-11-10 |
| 5086450 | Emergency intercommunication system for elevator | Shigeo Kitagawa, Yasuhiro Nagata, Tomoichiro Yamamoto, Shigemi Iwata, Terumi Hirabayashi +1 more | 1992-02-04 |
| 5007506 | Elevator remote-control method | Shigehiko Suzuki | 1991-04-16 |
| 4624005 | Velocity detection apparatus for an elevator | — | 1986-11-18 |
| 4263987 | Control apparatus for elevator system | Tsuyoshi Satoh | 1981-04-28 |