Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10237442 | Security mark with anti-copyable effect | Edward N. Chapman, Reiner Eschbach | 2019-03-19 |
| 9589217 | Augmenting barcodes with secondary encoding for anti-counterfeiting | Reiner Eschbach, Raja Bala, Saurabh Prabhat | 2017-03-07 |
| 9282215 | Security mark with copyable and non-copyable elements | Edward N. Chapman, Reiner Eschbach | 2016-03-08 |
| 9277091 | Embedding information in paper forms | Zhigang Fan, Reiner Eschbach, Saurabh Prabhat, Raja Bala, Martin S. Maltz | 2016-03-01 |
| 8681387 | Guilloche mark generation | Martin S. Maltz, Zhigang Fan, Reiner Eschbach | 2014-03-25 |
| 8482807 | Embedding information using modulated periodic line patterns | Zhigang Fan, Reiner Eschbach | 2013-07-09 |
| 8456704 | Colorimetric matching the perception of a digital data file to hardcopy legacy | Vishal Monga, Reiner Eschbach | 2013-06-04 |
| 8139270 | Variable data periodic line patterns for composing a font system | Zhigang Fan, Reiner Eschbach | 2012-03-20 |
| 7965421 | Show-through reduction method and system | Zhigang Fan, Reiner Eschbach, Martin S. Maltz | 2011-06-21 |
| 7787154 | Font printing system having embedded security information comprising variable data periodic line patterns | Zhigang Fan, Reiner Eschbach | 2010-08-31 |
| 7295703 | Method for scanner characterization for color measurement of printed media having four or more colorants | Raja Bala, Gaurav Sharma | 2007-11-13 |
| 5528386 | Color printer calibration architecture | Robert J. Rolleston, Martin S. Maltz | 1996-06-18 |
| 5416613 | Color printer calibration test pattern | Robert J. Rolleston, Martin S. Maltz | 1995-05-16 |
| 5305119 | Color printer calibration architecture | Robert J. Rolleston, Martin S. Maltz | 1994-04-19 |