Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492297 | Cement-based cementitious material and its formation method | Chun-Tao Chen | 2022-11-08 |
| 11393274 | Method for detecting quantity of items, and vending machine | Liangliang Chang, Xiangwei Chen, Xuqiang Dong, Zhigang Xu, Tianxin Jiang | 2022-07-19 |