Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10412235 | Identification bit memory cells in data storage chip | David B. Novak, Erik D. Ness, Brendan Hall | 2019-09-10 |
| 10389672 | Supply item messaging | David B. Novak, Brian Woods, Erik D. Ness, Amy Shipman | 2019-08-20 |
| 10112425 | Authentication value for a fluid ejection device | Daryl E. Anderson, Eric Martin | 2018-10-30 |
| 9855777 | Authentication value for fluid ejection device | Daryl E. Anderson, Eric Martin | 2018-01-02 |
| 9815289 | Encryption of fluid cartridges for use with imaging devices | Erik D. Ness, Brendan Hall | 2017-11-14 |
| 9630400 | Authentication value for print head die based on analog device electrical characteristics | Daryl E. Anderson, Eric Martin | 2017-04-25 |
| 9602583 | Supply item messaging | David B. Novak, Brian Woods, Erik D. Ness, Amy Shipman | 2017-03-21 |
| 9162442 | Image forming system and methods thereof | David B. Novak, Erik D. Ness | 2015-10-20 |
| 8991978 | Ink pen electrical interface | Kenneth Hickey, Jason Quintana, Trudy Benjamin, Joseph M. Torgerson | 2015-03-31 |
| 8870318 | System and method using ink usage adjustment values | David B. Novak, Brian Woods | 2014-10-28 |
| 8864264 | Multi-mode printing | Jason Quintana | 2014-10-21 |
| 8864277 | Authentication systems and methods | Erik D. Ness, David B. Novak | 2014-10-21 |
| 8474938 | Replaceable printing component | David B. Novak | 2013-07-02 |
| 8057006 | Fluid ejection device | David B. Novak | 2011-11-15 |
| 7607746 | Temperature calibration for fluid ejection head | Duane A Koehler, Jefferson P. Ward | 2009-10-27 |
| 7325896 | Temperature calibration for fluid ejection head | Duane A Koehler, Jefferson P. Ward, Victorio Chavarria, Kenneth D. Saul | 2008-02-05 |
| 6425650 | Educatable media determination system for inkjet printing | Steven H. Walker, Stuart Scofield, Jefferson P. Ward | 2002-07-30 |
| 5914865 | Simplified AC-DC switching converter with output isolation | George Barbehenn | 1999-06-22 |
| 5898288 | Inexpensive motion control using DC motors | Robert P. Callaway, George Barbehenn, Jason Quintana | 1999-04-27 |
| 5854886 | Method and system for printing rasterized documents | Leann M. MacMillan, Bimal Pathak, Mark R. Thackray | 1998-12-29 |
| 5625279 | DC-DC converter with dynamically adjustable characteristics | George Barbehenn | 1997-04-29 |