Issued Patents 2025
| 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 |
| 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 |