Issued Patents All Time
Showing 26–50 of 165 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774450 | Unauthorized text alteration prevention with contour following background patterns | Zhigang Fan | 2014-07-08 |
| 8730527 | Embedding infrared marks in gloss security printing | Edward N. Chapman, Francis K. Tse, Reiner Eschbach, Yonghui Zhao | 2014-05-20 |
| 8691345 | Apparatus and method for printing in both image and aroma domains intelligently | — | 2014-04-08 |
| 8681383 | 2nd generation dot-off-dot stochastic halftone | Edgar A. Bernal, Robert P. Loce | 2014-03-25 |
| 8619331 | Simulated paper texture using clear toner and glossmark on texture-less stock | Mu Qiao, Marc Rene, William A. Fuss, Paul Roberts Conlon | 2013-12-31 |
| 8605189 | Product identification using mobile device | Zhigang Fan, Yonghui Zhao, Hengzhou Ding | 2013-12-10 |
| 8576451 | Versatile moiré-free halftone geometry that uses frequency vector shearing | Zhigang Fan, Robert P. Loce | 2013-11-05 |
| 8576449 | Parametrically controlled halftone spot function for an irregular halftone grid | Edgar A. Bernal, Robert P. Loce | 2013-11-05 |
| 8552774 | Fast-switching low-noise charge pump | Sang-Oh Lee, Jeongsik Yang | 2013-10-08 |
| 8547598 | Polygonal-boundary-based halftone method | Edgar A. Bernal, Robert P. Loce | 2013-10-01 |
| 8547614 | 3-colorant dot-off-dot (DOD) periodic halftone geometry | Robert P. Loce | 2013-10-01 |
| 8500026 | Dual resolution two-dimensional barcode | Zhigang Fan, Yonghui Zhao | 2013-08-06 |
| 8482803 | System and method for halftoning using a parametrically controlled hexagonal halftone dot shape threshold function | Robert P. Loce | 2013-07-09 |
| 8477374 | Cost-effective binary printer models for multi-color printers by improved reflectance modeling and patch clustering | Vishal Monga, Raja Bala | 2013-07-02 |
| 8467592 | Substrate media distortion analysis | Beilei Xu, Robert P. Loce | 2013-06-18 |
| 8467103 | Moiré-free color halftoning methods, apparatus and systems | Robert P. Loce | 2013-06-18 |
| 8467099 | Directional halftone method with enhanced edge and detail rendition | Edgar A. Bernal, Robert P. Loce, Zhigang Fan | 2013-06-18 |
| 8462389 | Halftone-independent scanner profiling | Vishal Monga, Raja Bala | 2013-06-11 |
| 8451501 | Watermark decoding via spectral analysis of pixel spacing | Beilei Xu, Joseph C. Sheflin, Robert P. Loce, Jack T. LeStrange | 2013-05-28 |
| 8451500 | Watermark encoding via pixel spacing modulation | Beilei Xu, Joseph C. Sheflin, Jack T. LeStrange, Robert P. Loce | 2013-05-28 |
| 8447204 | Simulated paper texture using clear toner on uniform substrate | Mu Qiao, Marc Rene, William A. Fuss, Paul Roberts Conlon | 2013-05-21 |
| 8416458 | Rotated halftone screen geometry that avoids beat-based banding | Robert P. Loce | 2013-04-09 |
| 8351085 | Moire-free color halftoning methods, apparatus and systems | Robert P. Loce | 2013-01-08 |
| 8345314 | Methods and systems to embed glossmark digital watermarks into continuous-tone images | Reiner Eschbach, William A. Fuss | 2013-01-01 |
| 8339674 | Halftone independent correction of spatial non-uniformities | Vishal Monga, Raja Bala | 2012-12-25 |