Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10791239 | Encoding information in printed images by decreasing grayscale pixel values exceeding threshold | Robert Ulichney | 2020-09-29 |
| 10621426 | Authentication of printed documents | Peter J Jlammer, Karl Walters | 2020-04-14 |
| 10621688 | M-ary cyclic coding | Steven J. Simske, Robert Ulichney | 2020-04-14 |
| 10574853 | Embedding a pattern in output content | Peter Morovic, Jan Morovic | 2020-02-25 |
| 10560117 | Groups of phase invariant codewords | Robert Ulichney, Steven J. Simske | 2020-02-11 |