Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10057361 | Photo check-in method, apparatus, and system | Ying Qi, Bin Liu, Wei Luo, Beiqi Wu, Pinlin Chen +2 more | 2018-08-21 |
| 9826050 | Photo check-in method, apparatus, and system | Ying Qi, Bin Liu, Wei Luo, Beiqi Wu, Pinlin Chen +2 more | 2017-11-21 |
| 9391983 | Method and system for access control | Bin Zhang, Keren Li, Min Li, Zhuo Tang, Yiheng Liu +8 more | 2016-07-12 |