Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9792473 | Card swiping method and device for determining mobile terminal for swiping card, utilizing intensity of ultrasonic signal | — | 2017-10-17 |
| 8630584 | RF SIM card, card reader, and communication method | Yunbo Yu, Aimin Shen, Shan Zhu, Li Ouyang, Meixiang Li | 2014-01-14 |