Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8589216 | Intelligent charging system and method for use in a parking lot | Zhilu Yu | 2013-11-19 |
| 8496174 | Smart card operating system and method | Dacai Chen, Tongxin Qi | 2013-07-30 |
| 8255706 | Dual usage smart card of CPU and logical encryption and its data synchronization method | Dacai Chen, Tongxin Qi | 2012-08-28 |