Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11042791 | Method and apparatus for generating and reading composite two-dimensional code | Siping Wang | 2021-06-22 |
| 10997481 | System and method for collecting and analyzing multi-fields two-dimensional code | Kaijun Cao, Hongqiang Zhang | 2021-05-04 |