Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8170275 | Determining document authenticity in a closed-loop process | Wei Ming | 2012-05-01 |
| 8144361 | Creation and placement of two-dimensional barcode stamps on printed documents for storing authentication information | Wei Ming | 2012-03-27 |
| 8027067 | Method for correcting skew in scanned documents | Wei Ming | 2011-09-27 |
| 7925045 | Determining document authenticity in a closed-loop process | Wei Ming | 2011-04-12 |