Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |