Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043077 | System and method for efficient compression of raster image data | — | 2006-05-09 |
| 7043086 | JPEG packed block data structure for enhanced image processing | Joan L. Mitchell | 2006-05-09 |
| 6995873 | Flexible digital halftoning | Joan L. Mitchell, James F. Crossland | 2006-02-07 |
| 6970179 | Method and apparatus for the scaling up of data | Timothy James Trenary, Joan LaVerne Mitchell, Ian R. Finlay | 2005-11-29 |
| 6941019 | Reentry into compressed data | Joan LaVerne Mitchell | 2005-09-06 |
| 6879725 | Method, system, and program for decoding a section from compressed data | Joan LaVerne Mitchell | 2005-04-12 |
| 6859561 | Faster lossless rotation of JPEG images | Joan L. Mitchell | 2005-02-22 |
| 6819803 | Faster lossless rotation of JPEG images | Joan L. Mitchell | 2004-11-16 |
| 6781711 | Method and system for efficient transmittal and presentation of complex images | Reinhard Heinrich Hohensee, Jean Margaret Aschenbrenner, Arthur R. Roberts, David Stone, John Thomas Varga | 2004-08-24 |
| 6757439 | JPEG packed block structure | Neil M. Leeder, Joan L. Mitchell | 2004-06-29 |
| 6714318 | Dithering method and apparatus for multitone printers | Charles H. Morris, III, Joan L. Mitchell, Chai Wah Wu, Gerhard Robert Thompson, Charles P. Tresser | 2004-03-30 |
| 6690832 | Method, system, and program for decoding compressed data at multiple points | Joan LaVerne Mitchell | 2004-02-10 |
| 6653954 | System and method for efficient data compression | — | 2003-11-25 |
| 6624909 | Image file format for storing graphical matter and related information | Joseph Stanley Czyszczewski, James T. Smith, II, Mikel Stanich | 2003-09-23 |
| 6603573 | Constrained digital halftoning | Roy L. Adler, Marco Martens, Joan L. Mitchell, Robert H. Risch, Charles P. Tresser +1 more | 2003-08-05 |
| 6542252 | Virtual printer | Craig D. Brossman, Arianne Hinds, Mark A. Stephens, Raymond Glenn Wardell | 2003-04-01 |
| 6538773 | Method and apparatus for rendering grayscales at a facsimile presentation device using a calibrated transform | Craig D. Brossman, Arianne Hinds, Mikel Stanich, Mark A. Stephens, Raymond Glenn Wardell | 2003-03-25 |
| 6535295 | Virtual printer with asynchronous job and device status | Craig D. Brossman, Arianne Hinds, Mark A. Stephens, Raymond Glenn Wardell | 2003-03-18 |
| 6498661 | Method and apparatus for rendering grayscales at a facsimile presentation device using a calibrated threshold matrix | Craig D. Brossman, Arianne Hinds, Mikel Stanich, Mark A. Stephens, Raymond Glenn Wardell | 2002-12-24 |
| 6266150 | Virtual printer | Craig D. Brossman, Arianne Hinds, Mark A. Stephens, Raymond Glenn Wardell | 2001-07-24 |
| 6256111 | Calibrating digital halftoning algorithms with multiple personalities | — | 2001-07-03 |
| 5406289 | Method and system for tracking multiple regional objects | Thomas Norman Barker, Joseph A. Persichetti, Aubrey B. Poore, Jr. | 1995-04-11 |