Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |