Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11151819 | Access control method, access control apparatus, system, and storage medium | Xiang Huang, Zhonghua She, Liping Xiao | 2021-10-19 |
| 10994534 | High-frequency multi-pulse inkjet | Chao Sui | 2021-05-04 |