Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9963322 | Monitoring traffic units served by elevator via radio signals transmitted across doorway of an elevator | Janne Sorsa, Juha-Matti Kuusinen, Marja-Liisa Siikonen | 2018-05-08 |
| 9890015 | Elevator control apparatus and method for minimizing an elevator group load difference | Janne Sorsa, Marja-Liisa Siikonen | 2018-02-13 |