Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614998 | Mechanism for generating a hybrid halftone using a DMSSA screen | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2017-04-04 |
| 9361554 | Low overhead near unity scaling technique | Kartheek Chandu, Larry M. Ernst | 2016-06-07 |
| 9363414 | Halftone mechanism | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2016-06-07 |
| 9332155 | Digital image halftone conversion with selective enhancement | Kartheek Chandu | 2016-05-03 |
| 9229408 | Toner Estimation Mechanism | Chai Wah Wu, Barry M. Trager, Kartheek Chandu | 2016-01-05 |
| 9180712 | Test patterns for print heads having two image sources | Kartheek Chandu, Larry M. Ernst | 2015-11-10 |
| 9076099 | Image scaling mechanism | Larry M. Ernst, John Thomas Varga | 2015-07-07 |
| 9036212 | Halftone screen generation mechanism | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2015-05-19 |
| 8922834 | Hybrid halftone generation mechanism using change in pixel error | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2014-12-30 |
| 8922802 | Method and system for halftoning using energy minimization | Chai Wah Wu, Barry M. Trager, Kartheek Chandu | 2014-12-30 |
| 8830531 | Intelligent halftone mechanism | John F. Meixel, Timothy Towns, Miki Judy Ushijima | 2014-09-09 |
| 8820880 | Defective nozzle detection mechanism | Kartheek Chandu, Larry M. Ernst, Sreenath Rao Vantaram | 2014-09-02 |
| 8807691 | Print head alignment mechanism | Kartheek Chandu, Larry M. Ernst, Sreenath Rao Vantaram, Chai Wah Wu | 2014-08-19 |
| 8773722 | Hybrid halftone generation mechanism using change in pixel error | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2014-07-08 |
| 8693054 | Mask generation mechanism | Kartheek Chandu, Chai Wah Wu, Barry M. Trager | 2014-04-08 |
| 8625161 | Multibit digital halftoning, indexing 2D and 3D lookup tables | Larry M. Ernst, Tadanobu Inoue, Chai Wah Wu | 2014-01-07 |
| 8608273 | Print data compensation for variations in paper position within a printing system | Larry M. Ernst, Michael J. Holley, John C. Wilson | 2013-12-17 |
| 8542418 | Printer calibration for printers with fixed print array structures | Kartheek Chandu, Larry M. Ernst, Sreenath Rao Vantaram | 2013-09-24 |
| 8538199 | Digital image scaling with non integer scaling factors | Larry M. Ernst, Nenad Rijavec, Natalie Ross, John Thomas Varga | 2013-09-17 |
| 8520253 | Method and system for scaling with dot gain control | Larry M. Ernst, Hong Li, Yue Qiao, Chai Wah Wu | 2013-08-27 |
| 8477377 | Mechanism for integration of print quality enhancement (PQE) and multi-bit halftone data | John C. Wilson, Larry M. Ernst | 2013-07-02 |
| 8412055 | Automatic paper management and color profile utilization | Kartheek Chandu | 2013-04-02 |
| 8322811 | Multi-pass calibration in fixed printhead array printers | Kartheek Chandu, Larry M. Ernst | 2012-12-04 |
| 8282182 | Correction of print engine artifacts using an iterative halftoning search algorithm | Kartheek Chandu, Larry M. Ernst, Nenad Rijavec, Sreenath Rao Vantaram, Chai Wah Wu | 2012-10-09 |
| 7733533 | Generating threshold values in a dither matrix | Chai Wah Wu, Gerhard Robert Thompson | 2010-06-08 |