Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10460219 | Generating an object map from a plurality of binary images | Zuguang Xiao, Mengqi Gao, Lu Wang, Jan Allebach | 2019-10-29 |
| 7813588 | Adjusting source image data prior to compressing the source image data | — | 2010-10-12 |
| 7057774 | Halftone method employing 1 to 1 screening | — | 2006-06-06 |
| 6879721 | Pixel processing system for image production | — | 2005-04-12 |
| 6825953 | Halftone employing 1 to 1 screening | — | 2004-11-30 |
| 6707578 | Method and apparatus for improving image presentation in a digital copier | — | 2004-03-16 |
| 6594385 | Image compression of background and text tiles | Randall E Grohs | 2003-07-15 |
| 6415058 | System for compression of digital images comprising low detail areas | Randall Edward Grohs | 2002-07-02 |
| 6178011 | Adaptive image resolution enhancement technology | Qian Lin, Brian E. Hoffmann | 2001-01-23 |
| 6130630 | Apparatus and method for compressing Huffman encoded data | Randall Edward Grohs | 2000-10-10 |
| 5689255 | Method and apparatus for compressing and decompressing image data | Allen L. Frazier | 1997-11-18 |