Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325258 | Electric pencil sharpener with delay function | Kai Xu, Hua Chen | 2025-06-10 |
| 12186770 | Disinfection robot | Xianghui Chang, Yajing Cui, Qijun Liu, Xia Liu, Yan Yan +1 more | 2025-01-07 |
| 11684687 | Automatic floor-disinfection robot for hospital rooms | Xianghui Chang, Bowen Ma, Qijun Liu, Xia Liu, Yan Yan +4 more | 2023-06-27 |
| 8578562 | Weight assembly for a hose of a faucet | Zhibin Liu | 2013-11-12 |
| 8267112 | Automatic water distributor | Zhibin Liu | 2012-09-18 |