Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8180164 | OCR-guided text tokenization of digital images | Zhigang Fan, Michael R. Campanelli, Yingjun Bai | 2012-05-15 |
| 8139873 | Binary image data processing system and method | Ramesh Nagarajan, James P. Russell, Chia-Hao Lee, John W. Wu | 2012-03-20 |
| 8130389 | Cost effective image path for multiple office applications | Xing Li, Ramesh Nagarajan, Clara Cuciurean-Zapan | 2012-03-06 |
| 8117134 | Neutral pixel correction for proper marked color printing | James B. Campbell, Xing Li, David J. Metcalfe | 2012-02-14 |
| 8086040 | Text representation method and apparatus | Zhigang Fan | 2011-12-27 |
| 8068257 | Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots | Xing Li, Zhenhuan Wen, David J. Metcalfe | 2011-11-29 |
| 8041143 | Methods for background and noise suppression in binary to grayscale image conversion | Ramesh Nagarajan, John Christopher Cassidy, Chia-Hao Lee, John W. Wu | 2011-10-18 |
| 8023150 | Method and system for improved copy quality by generating contone value based on pixel pattern and image context type around pixel of interest | Ramesh Nagarajan, Chia-Hao Lee, John Christopher Cassidy, John W. Wu | 2011-09-20 |
| 7991235 | Light compression for color images using error diffusion | Zhigang Fan, John Christopher Cassidy | 2011-08-02 |
| 7933470 | Darkness control using pattern matching | John C. Handley, Andre Blaakman, Anthony Lanza, Xing Li, Aron Nacman +1 more | 2011-04-26 |
| 7894683 | Reformatting binary image data to generate smaller compressed image data size | Ramesh Nagarajan, Xing Li | 2011-02-22 |
| 7869093 | Method and system for improved copy quality in a multifunction reprographic system | Ramesh Nagarajan, John Christopher Cassidy, Chia-Hao Lee, John W. Wu | 2011-01-11 |
| 7773254 | Method and system for improved copy quality in a multifunction reprographic system | Ramesh Nagarajan, Chia-Hao Lee, John Christopher Cassidy, John W. Wu | 2010-08-10 |
| 7760390 | Binary resolution conversion aparatus and method | Zhenhuan Wen, Xing Li | 2010-07-20 |
| 7672023 | Document handler systems and methods | John Christopher Cassidy | 2010-03-02 |
| 7580569 | Method and system for generating contone encoded binary print data streams | Ramesh Nagarajan | 2009-08-25 |
| 7561747 | Image data processing system and method | Ramesh Nagarajan, James P. Russell, Chia-Hao Lee, John W. Wu | 2009-07-14 |
| 7542164 | Common exchange format architecture for color printing in a multi-function system | Fritz Francis Ebner, Donald J. Curry, Peter A. Crean, David Birnbaum, Doron Kletter +1 more | 2009-06-02 |
| 7421147 | Hybrid template matching for imaging applications | Ramesh Nagarajan, Chia-Hao Lee | 2008-09-02 |
| 7406210 | Darkness control using pattern matching | John C. Handley, Andre Blaakman, Anthony Lanza, Xing Li, Aron Nacman +1 more | 2008-07-29 |
| 7352490 | Method and system for generating contone encoded binary print data streams | Ramesh Nagarajan, James P. Russell | 2008-04-01 |
| 7295341 | System for processing monochrome and full-color digital image data | Ramesh Nagarajan, Clara Cuciurean-Zapan, John Guarrera, David C. Allard, Joseph P. Taillie | 2007-11-13 |
| 6999209 | Electronic image registration for a scanner | Nancy Kelly, Ramesh Nagarajan | 2006-02-14 |
| 6970598 | Data processing methods and devices | Ramesh Nagarajan, Julie A. Fisher, Charles E. Farnung | 2005-11-29 |
| 6873440 | Multibit screening of print documents in a PDL environment | Harry L. Parker, Ramesh Nagarajan, Michael L. Davidson | 2005-03-29 |