Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496174 | Smart card operating system and method | Dacai Chen, Daxing Xu | 2013-07-30 |
| 8255706 | Dual usage smart card of CPU and logical encryption and its data synchronization method | Dacai Chen, Daxing Xu | 2012-08-28 |