Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189117 | Method and system for controlling a smart lock | Qing Chang, Hongwei Qiao | 2021-11-30 |
| 11174125 | Overwinding buffer device and method for vertical hoisting system | Ziming Kou, Juan Wu, Jianwei Yang, Guijun Gao, Peng Zhang +1 more | 2021-11-16 |
| 11155028 | Apparatus and method for three-dimensional printing | — | 2021-10-26 |
| 11023501 | Method and apparatus for displaying map information and storage medium | Weiguo Xie, Zhiqing Luo | 2021-06-01 |