Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248913 | System and method for facilitating enhanced offline payment | Fen Zhai, Yi Zhang, Xiao Wang, Yingyuan Wang | 2025-03-11 |
| 11544711 | Biometric feature database establishing method and apparatus | Fen Zhai, Lei Lu, Yanghui Liu | 2023-01-03 |
| 11538004 | System and method for facilitating enhanced offline payment | Fen Zhai, Yi Zhang, Xiao Wang, Yingyuan Wang | 2022-12-27 |
| 11270310 | Biometric feature database establishing method and apparatus | Fen Zhai, Lei Lu, Yanghui Liu | 2022-03-08 |
| 10902412 | Method and device for account creation, account refilling and data synchronization | Fen Zhai, Lingnan Shen, Ge Chen, Jie Qi, Huifeng Jin +1 more | 2021-01-26 |
| 10789593 | Biometric feature database establishing method and apparatus | Fen Zhai, Lei Lu, Yanghui Liu | 2020-09-29 |