Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9315361 | Group supervisory control device for elevator | — | 2016-04-19 |
| 9278828 | Group management control device for elevator | Naohiko Suzuki | 2016-03-08 |
| 8286755 | Group management controller of elevator including limit value setting means for setting a limit value for limiting a count of car calls | Shiro Hikita | 2012-10-16 |