Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8503036 | System and method of improving image quality in digital image scanning and printing by reducing noise in output image data | Francis K. Tse, Yingjun Bai | 2013-08-06 |
| 8041143 | Methods for background and noise suppression in binary to grayscale image conversion | Francis K. Tse, Ramesh Nagarajan, 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, Francis K. Tse, Chia-Hao Lee, John W. Wu | 2011-09-20 |
| 7991235 | Light compression for color images using error diffusion | Zhigang Fan, Francis K. Tse | 2011-08-02 |
| 7869093 | Method and system for improved copy quality in a multifunction reprographic system | Francis K. Tse, Ramesh Nagarajan, Chia-Hao Lee, John W. Wu | 2011-01-11 |
| 7773254 | Method and system for improved copy quality in a multifunction reprographic system | Ramesh Nagarajan, Francis K. Tse, Chia-Hao Lee, John W. Wu | 2010-08-10 |
| 7672023 | Document handler systems and methods | Francis K. Tse | 2010-03-02 |