Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11277539 | Encoding information using disjoint highlight and shadow dot patterns | Robert Ulichney | 2022-03-15 |
| 11263784 | Determine image capture position information based on a quasi-periodic pattern | Robert Ulichney, Stephen Pollard | 2022-03-01 |
| 11113592 | Data-bearing medium | Robert Ulichney, Stephen Pollard | 2021-09-07 |
| 11102376 | Recursive halftoning and gray value substitution | Robert Ulichney, Stephen Pollard | 2021-08-24 |
| 11089180 | Encoding dot patterns into printed images based on source pixel color | Robert Ulichney | 2021-08-10 |
| 11030630 | Workflow-authorizing computing device authentication | Steven J. Simske, Jason S. Aronoff | 2021-06-08 |
| 11030502 | Omnidirectional barcode | Robert Ulichney | 2021-06-08 |
| 10977466 | Multi-dimensional cyclic symbols | Steven J. Simske, Robert Ulichney | 2021-04-13 |
| 10891704 | M-ary cyclic coding | Steven J. Simske, Robert Ulichney | 2021-01-12 |
| 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 |
| 10521931 | Determine image capture position information based on a quasi-periodic pattern | Robert Ulichney, Stephen Pollard | 2019-12-31 |
| 10362194 | Recursive halftoning and gray value substitution | Robert Ulichney, Stephen Pollard | 2019-07-23 |
| 10223800 | Determine presence of quasi-periodic two-dimensional object | Robert Ulichney, Stephen Pollard | 2019-03-05 |
| 10171723 | Frequency domain range determination for a periodic or quasi-periodic target | Robert Ulichney, Stephen Pollard | 2019-01-01 |
| 10171107 | Groups of phase invariant codewords | Robert Ulichney, Steven J. Simske | 2019-01-01 |
| 10154165 | Multiple payload pantographs | Jason S. Aronoff, Steven J. Simske, Robert Ulichney | 2018-12-11 |
| 10114998 | Security feature | Gideo Amir, Dror Kella | 2018-10-30 |
| 10027843 | Embedding data in halftone images | Robert Ulichney, Stephen Pollard | 2018-07-17 |
| 10002438 | Rapid image registration | Stephen Pollard, Robert Ulichney | 2018-06-19 |
| 10002413 | Recovering planar projections | Stephen Pollard, Robert Ulichney | 2018-06-19 |
| 9984318 | Data-bearing medium | Robert Ulichney, Steven J. Simske | 2018-05-29 |