Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234122 | Authorization management and authorization request of elevator service request | Yang Yang, Yu Zhang, Kai Li, Haofeng Hou | 2025-02-25 |
| 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 |
| 11708237 | Communication for elevator service request | Kai Li, Haofeng Hou, Fu Qi, Hui Chen | 2023-07-25 |
| 11524866 | Testing for wireless beacons of elevator system and field installation of the elevator system | Kai Li, Yang Yang, Yu Zhang, Haofeng Hou | 2022-12-13 |
| 11505425 | Wireless signal device, system and method for elevator service request | Hui Chen, Shenhong Wang, Fu Qi | 2022-11-22 |
| 11357852 | Diglycosylated benzophenoxazine photosensitizer and preparation method and use thereof | Jing Chen, Jinhua Huang, Jian Kang, Zhen Wang, An Liu +10 more | 2022-06-14 |
| 10645543 | Elevator service requesting based on social media application module | Hui Chen, Shenhong Wang, Fu Qi | 2020-05-05 |