Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187772 | Anonymous transactions based on distributed processing | Verna Knapp | 2007-03-06 |
| 6748100 | Detection and deterrence of counterfeiting of documents having a characteristic color | Cormac Herley, Xuguang Yang | 2004-06-08 |
| 6516078 | Multi-level detection and deterrence of counterfeiting of documents with reduced false detection | Xuguang Yang, Cormac Herley | 2003-02-04 |
| 6470299 | Probabilistic privacy protection | Verna Knapp, Umesh Vazirani | 2002-10-22 |
| 6463162 | Robust watermarking for digital objects | — | 2002-10-08 |
| 6335794 | Detection and deterrence of counterfeiting of two-sided documents | Cormac Herley | 2002-01-01 |