Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9521546 | Secure RF communication method, terminal and system | — | 2016-12-13 |
| 9076051 | Collision detection method for a radio-frequency SIM card with low-frequency magnetic communication | Xianwei Yang | 2015-07-07 |
| 8682271 | Method and device for improving communication distance accuracy of a transaction system via temperature compensation | Yingtong Sun | 2014-03-25 |
| 8630584 | RF SIM card, card reader, and communication method | Yunbo Yu, Aimin Shen, Shan Zhu, Li Ouyang, Weixi Luo | 2014-01-14 |