Issued Patents All Time
Showing 101–110 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5586203 | Method and apparatus for generating a halftone pattern for a multi-level output device | Lawrence A. Ray | 1996-12-17 |
| 5583666 | Method for cross-device color calibration and enhancement using explicit constraints | Richard N. Ellson, Andrew H. Mutz, Ron Gershon | 1996-12-10 |
| 5581371 | Error diffusion method | Douglas W. Couwenhoven | 1996-12-03 |
| 5553199 | Method and apparatus for calibrating a four color printer | Douglas W. Couwenhoven, Rodney L. Miller | 1996-09-03 |
| 5539540 | Method and associated apparatus for transforming input color values in an input color space to output color values in an output color space | Ron Gershon, James R. Sullivan, Richard N. Ellson | 1996-07-23 |
| 5377025 | Optimal color quantization for addressing multi-dimensional color calibration look-up-table | Lawrence A. Ray, James R. Sullivan | 1994-12-27 |
| 5377041 | Method and apparatus employing mean preserving spatial modulation for transforming a digital color image signal | Kevin C. Scott | 1994-12-27 |
| 5150428 | Method for generating halftone image data with randomly selected threshold array | Anthony J. Leone | 1992-09-22 |
| 5101458 | Achromatic input/output coupler for integrated optical circuits | G. Michael Morris | 1992-03-31 |
| 5078513 | Achromatic waveguide lenses | G. Michael Morris | 1992-01-07 |