Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210753 | Inkjet printing using protective ink | James A. Reczek, Steven A. Billow, David S. Uerz | 2007-05-01 |
| 7196817 | Printing of digital images using reduced colorant amounts while preserving perceived color | Kevin E. Spaulding | 2007-03-27 |
| 7190485 | Method for multilevel printing of digital images using reduced colorant amounts | Kevin E. Spaulding, Rodney L. Miller | 2007-03-13 |
| 7140709 | Using inkjet printer to apply protective ink | Christopher Rueby, David S. Uerz | 2006-11-28 |
| 7064869 | Method for halftoning a multi-channel digital color image having at least one group of similar color channels | Kevin E. Spaulding, Qing Yu | 2006-06-20 |
| 7050197 | Image processor for high-speed printing applications | Thomas P. Szumla, Manh Tang, Edward A. Hauschild, David A. Johnson | 2006-05-23 |
| 6908172 | Method of selecting inkjet nozzle banks for assembly into an inkjet printhead | Steven A. Billow, James S. Newkirk, Donald J. Hodge, Kenneth D. Stack | 2005-06-21 |
| 6830306 | Compensating for drop volume variation in an inkjet printer | Steven A. Billow | 2004-12-14 |
| 6454389 | Multipass inkjet printing using print masking | Rodney L. Miller | 2002-09-24 |
| 6435657 | Method for multicolorant printing of digital images using reduced colorant amounts | Rodney L. Miller, Kevin E. Spaulding | 2002-08-20 |
| 6407825 | Colorant reduction method for digital images | Kevin E. Spaulding, Rodney L. Miller | 2002-06-18 |
| 6354689 | Method of compensating for malperforming nozzles in a multitone inkjet printer | Lam J. Ewell, Xin Wen | 2002-03-12 |
| 6312101 | Method of printing digital images using multiple colorants having substantially the same color | Kevin E. Spaulding, Rodney L. Miller | 2001-11-06 |
| 6273542 | Method of compensating for malperforming nozzles in an inkjet printer | Xin Wen, Lam J. Ewell | 2001-08-14 |
| 6046822 | Ink jet printing apparatus and method for improved accuracy of ink droplet placement | Xin Wen, Anthony R. Lubinsky | 2000-04-04 |
| 6011595 | Method for segmenting a digital image into a foreground region and a key color region | Todd R. Henderson, Kevin E. Spaulding | 2000-01-04 |
| 5986771 | Method for computing a control signal for combining digital images | Todd R. Henderson, Kevin E. Spaulding | 1999-11-16 |
| 5975671 | Method and apparatus for printing an image on a device having multiple dot densities and multiple dot areas | Kevin E. Spaulding, Rodney L. Miller | 1999-11-02 |
| 5937104 | Combining a first digital image and a second background digital image using a key color control signal and a spatial control signal | Todd R. Henderson, Kevin E. Spaulding | 1999-08-10 |
| 5757517 | Adaptive error diffusion method | Kevin E. Spaulding, Rodney L. Miller | 1998-05-26 |
| 5708511 | Method for adaptively compressing residual digital image data in a DPCM compression system | Bhavan Gandhi, Craig M. Smith, James R. Sullivan, Gregory Rombola | 1998-01-13 |
| 5596602 | Data compression rate control method and apparatus | Bhavan Gandhi, Craig M. Smith | 1997-01-21 |
| 5581371 | Error diffusion method | Kevin E. Spaulding | 1996-12-03 |
| 5553199 | Method and apparatus for calibrating a four color printer | Kevin E. Spaulding, Rodney L. Miller | 1996-09-03 |