Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12198390 | Three-dimensional data point encoding and decoding method and device | Pu Li, Xiaozhen Zheng | 2025-01-14 |
| 7497380 | 2D coding and decoding barcode and its method thereof | Zhiguo Chang, Peng WANG, Yingfeng Lv, Xiaoyun Ding | 2009-03-03 |
| 7386189 | Scanning device with a positioning sensor and a corresponding processing method to obtain images | Wei Zhang, Zhiguo Chang, Yingfeng Lv, Chengwu Gu, Xiaoyun Ding | 2008-06-10 |
| 7264174 | 2D coding and decoding barcode and its method thereof | Zhiguo Chang, Peng WANG, Yingfeng Lv, Xiaoyun Ding | 2007-09-04 |
| 7175091 | Insert-type barcode reader | Bo An, Chengwu Gu, Yingfeng Lv, Xiaoyun Ding | 2007-02-13 |