Issued Patents All Time
Showing 51–75 of 165 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8314978 | Halftone independent device characterization accounting for colorant interactions | Vishal Monga, Raja Bala | 2012-11-20 |
| 8310718 | High resolution scalable gloss effect | Edward N. Chapman, Reiner Eschbach, Raja Bala | 2012-11-13 |
| 8274706 | System and method for halftone independent temporal color drift correction in hi-addressability xerographic printers | Vishal Monga | 2012-09-25 |
| 8261988 | Phase locked IR encoding for peened 2D barcodes | Yonghui Zhao, Edward N. Chapman, Martin E. Hoover, Reiner Eschbach | 2012-09-11 |
| 8257897 | Toners with fluorescence agent and toner sets including the toners | Peter M. Kazmaier, Gabriel Iftime, Daryl W. Vanbesien, Edward G. Zwartz, Reiner Eschbach | 2012-09-04 |
| 8248661 | Color-consistent three level differential gloss images | Reiner Eschbach, William A. Fuss | 2012-08-21 |
| 8233197 | Pantograph methods, apparatus and systems based on UCR/GCR | Zhigang Fan | 2012-07-31 |
| 8179570 | Generating image embedded with UV fluorescent watermark by combining binary images generated using different halftone strategies | Yonghui Zhao | 2012-05-15 |
| 8169657 | Registration method using sensed image marks and digital realignment | Robert P. Loce | 2012-05-01 |
| 8164788 | Cluster-based printer model for tone reproduction curve estimation | David C. Craig, Fan Shi | 2012-04-24 |
| 8107099 | Watermarking | Robert P. Loce | 2012-01-31 |
| 8098880 | System and method for the generation of multi-layer correlation-based digital watermarks | — | 2012-01-17 |
| 8098404 | Content-aware uniform rosette color halftone image resizing using iterative determination of energy metrics | Edgar A. Bernal, Robert P. Loce | 2012-01-17 |
| 8090141 | System and method to automatically establish preferred area for image-wise watermark | Reiner Eschbach, Zhigang Fan | 2012-01-03 |
| 8077907 | System and method for the generation of correlation-based digital watermarks | — | 2011-12-13 |
| 8077357 | Content-aware resizing of uniform rosette color halftone images | Edgar A. Bernal, Robert P. Loce | 2011-12-13 |
| 8072648 | Halftone independent correction of spatial non-uniformities | Vishal Monga, Raja Bala | 2011-12-06 |
| 8056821 | Security marks simulating natural defects for embedding information in documents | Zhigang Fan, Reiner Eschbach, Calvin Jon Marlett, William A. Fuss, James R. Low | 2011-11-15 |
| 8045218 | Digital compensation method and apparatus using image-to-image distortion map relating reference mark grids | Mu Qiao, Robert P. Loce, Daniel W. Costanza, Rakesh Kulkarni | 2011-10-25 |
| 8031019 | Integrated voltage-controlled oscillator circuits | Vipul Chawla | 2011-10-04 |
| 8022452 | Elimination of glowing artifact in digital images captured by an image sensor | Robert P. Fabinski, Robert Kaser | 2011-09-20 |
| 8018269 | Fast-switching low-noise charge pump | Sang-Oh Lee, Jeongsik Yang | 2011-09-13 |
| 8009329 | Fluorescence-based correlation mark for enhanced security in printed documents | Raja Bala, Reiner Eschbach | 2011-08-30 |
| 7952767 | Method for coherent watermark insertion and detection in color halftone images | Gaurav Sharma | 2011-05-31 |
| 7933044 | Moiré-free color halftone configuration | — | 2011-04-26 |