Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9662901 | Printer and control method for printer | Jinfeng Ding, Guokai Wang, Xin Wang | 2017-05-30 |
| 8654463 | Device and method for controlling bit density of magnetic card | Zhigang Xu, Bingqing Liu, Mingang Ou, Zhenhu Xie | 2014-02-18 |
| 8497890 | Thermal print head detecting device and detecting method, and a heat printer using the same | Changgang Gu, Zhigang Xu, Yuguo Wang, Xiangang Yang | 2013-07-30 |