Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8634649 | Backlit scene type detection | Jonathan Yen | 2014-01-21 |
| 8483508 | Digital image tone adjustment | Jonathan Yen, Robert Poe | 2013-07-09 |
| 8311327 | System and method for backlit image detection | Jonathan Yen | 2012-11-13 |
| 8237989 | Method to improve a halftone by combining halftoning with algorithmic processing | Stephen Herron | 2012-08-07 |
| 8027536 | System and method for image fog scene detection | Jonathan Yen | 2011-09-27 |
| 7701618 | Automatic image enhancement using computed predictors | — | 2010-04-20 |
| 7679782 | System and method for extracting grayscale data in accordance with a prescribed tolerance function | Ronald Pellar, Hiroki Umezawa | 2010-03-16 |
| 7518752 | System and method for two color document rendering | — | 2009-04-14 |
| 7466445 | Color and density calibration of color printers | — | 2008-12-16 |
| 7450271 | System and method for optimizing image output quality | — | 2008-11-11 |
| 7430061 | System and method to eliminate clipping during color conversion | — | 2008-09-30 |
| 7265875 | Halftone super-cell optimization for artifact reduction | — | 2007-09-04 |
| 7019868 | Black generation method for CMYK color printer using multiple lookup tables and interpolation | James Zhixin Chang | 2006-03-28 |
| 6650438 | Construction of a color transform to reduce effects of scanner metamerism | James Zhixin Chang | 2003-11-18 |
| 5987169 | Method for improving chromatic text resolution in images with reduced chromatic bandwidth | Scott Daly, Jack Van Oosterhout | 1999-11-16 |
| 5223891 | Production of second-generation camera-original control tool photographies via photography of digitally-generated transparency of an original scene | William E. Fierstein, Gary S. Castelluzzo | 1993-06-29 |