Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11475448 | Maintenance plant management method, system and data management server | Jun Liu, Xin Liu | 2022-10-18 |
| 11449837 | Maintenance equipment management method, system and data management server | Jun Liu, Xin Liu | 2022-09-20 |
| 11288638 | Device management method, device management server and computer readable storage medium | Jun Liu | 2022-03-29 |