Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698862 | Method and apparatus for thermal ink jet drop volume control using variable prepulses | Yungran Choi, Narayan Deshpende, Juan J. Becerra | 2004-03-02 |
| 6422677 | Thermal ink jet printhead extended droplet volume control | Narayan V. Deshpande, Juan J. Becerra | 2002-07-23 |
| 6315398 | Thermal ink jet heater design | Cathie J. Burke, Narayan V. Desphande, William G. Hawkins, Michael P. O'Horo, Gary A. Kneezel +2 more | 2001-11-13 |
| 6227657 | Low topography thermal inkjet drop ejector structure | Alan D. Raisanen, Cathie J. Burke, Eduardo Freire, Yonglin Xie, Michael P. O'Horo +4 more | 2001-05-08 |
| 6130693 | Ink jet printhead which prevents accumulation of air bubbles therein and method of fabrication thereof | Michael P. O'Horo, Donald J. Drake, Brian S. Hilton | 2000-10-10 |
| 6079819 | Ink jet printhead having a low cross talk ink channel structure | Narayan V. Deshpande, John R. Andrews | 2000-06-27 |
| 6076921 | Ink jet printer having an efficient substrate heating and supporting assembly | Ivan Rezanka, Narayan V. Deshpande | 2000-06-20 |
| 5780118 | Method for increasing hydrophilicity of transparencies used as recording media in a thermal ink jet printer | Mark D. Tracy | 1998-07-14 |
| 5771054 | Heated drum for ink jet printing | Lesley P. Dudek, Vaughan Louis Dewar, Michael C. Ferringer | 1998-06-23 |
| 5745131 | Gray scale ink jet printer | Gary A. Kneezel, William R. Burger, Steven J. Harrington, Joseph F. Stephany | 1998-04-28 |
| 5710582 | Hybrid ink jet printer | William G. Hawkins, Ivan Rezanka, Roger G. Markham, Donald J. Drake | 1998-01-20 |
| 5641346 | Ink jet ink compositions and recording processes | David A. Mantell, Bing R. Hsieh, William M. Schwarz, Ian D. Morrison, Michael P. O'Horo +3 more | 1997-06-24 |
| 5483265 | Minimization of missing droplets in a thermal ink jet printer by drop volume control | Gary A. Kneezel, Joseph J. Wysocki, Joseph F. Stephany, Thomas E. Watrobski, Richard V. LaDonna +2 more | 1996-01-09 |
| 5440330 | Method and apparatus for kogation removal from a heater element of a thermal ink jet printer | David Greg Anderson, Michael P. O'Horo | 1995-08-08 |
| 5424768 | Zero-volume maintenance cap for an ink jet printhead | Lesley P. Dudek, Michael C. Ferringer | 1995-06-13 |
| 5136305 | Ink jet printer with ink supply monitoring means | — | 1992-08-04 |
| 4831390 | Bubble jet printing device with improved printhead heat control | Narayan V. Deshpande, Herman A. Hermanson, Gary A. Kneezel, Roger G. Markham | 1989-05-16 |
| 4797692 | Thermal ink jet printer having ink nucleation control | — | 1989-01-10 |
| 4678529 | Selective application of adhesive and bonding process for ink jet printheads | Donald J. Drake, Michael R. Campanelli | 1987-07-07 |
| 4520368 | Ink jet printing method and apparatus | — | 1985-05-28 |
| 4296192 | Electrostatographic toner composition | Robert J. Gruber, Steven B. Bolte, John F. Knapp, Richard B. Lewis | 1981-10-20 |