Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12103818 | Bluetooth module of elevator system | Hui Chen, Kai Li, Shenhong Wang | 2024-10-01 |
| 12043517 | Authorization management and authorization request of elevator service request | Kai Li, Yang Yang, Haofeng Hou | 2024-07-23 |
| 11939186 | Wireless signal device, system and method for elevator service request | Kai Li, Shenhong Wang, Haofeng Hou, Fu Qi | 2024-03-26 |