Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933166 | Ink-jet printhead allowing selectable droplet size | John R. Andrews, Peter A. Torpey | 1999-08-03 |
| 5900892 | Nozzle plates for ink jet cartridges | David A. Mantell, Lisa A. DeLouise, Mildred Calistri-Yeh, Almon P. Fisher, Narayan V. Deshpande | 1999-05-04 |
| 5820771 | Method and materials, including polybenzoxazole, for fabricating an ink-jet printhead | Mildred Calistri-Yeh | 1998-10-13 |
| 5751315 | Thermal ink-jet printhead with a thermally isolated heating element in each ejector | R. Enrique Viturro, John R. Andrews, Narayan V. Deshpande, Sean O'Brien | 1998-05-12 |
| 5738799 | Method and materials for fabricating an ink-jet printhead | William G. Hawkins, Mildred Calistri-Yeh, Diane Atkinson | 1998-04-14 |
| 5729261 | Thermal ink jet printhead with improved ink resistance | Daniel E. Kuhman, Daniel O. Roll, Alan D. Raisanen | 1998-03-17 |
| 5699094 | Ink jet printing device | Almon P. Fisher, Diane Atkinson, Mildred Calistri-Yeh | 1997-12-16 |
| 5665249 | Micro-electromechanical die module with planarized thick film layer | William G. Hawkins, Herman A. Hermanson, Michael C. Ferringer, Almon P. Fisher, Diane Atkinson | 1997-09-09 |
| 5639386 | Increased threshold uniformity of thermal ink transducers | Daniel S. Brennan, Keith Kamekona, Roberto E. Proano | 1997-06-17 |
| 5532901 | Office environment level electrostatic discharge protection | William G. Hawkins, Thomas E. Watrobski, Thomas A. Tellier, Sophie V. Vandebroek | 1996-07-02 |
| 5448273 | Thermal ink jet printhead protective layers | Igal E. Klein, Roberto E. Proano, Renato P. Apollonio, Robert V. Lorenze, Jr., Daniel O. Roll | 1995-09-05 |
| 5428498 | Office environment level electrostatic discharge protection | William G. Hawkins, Thomas E. Watrobski, Thomas A. Tellier, Sophie V. Vandebroek | 1995-06-27 |
| 5208606 | Directionality of thermal ink jet transducers by front face metalization | Igal E. Klein, William G. Hawkins, Roberto E. Proano | 1993-05-04 |
| 5081473 | Temperature control transducer and MOS driver for thermal ink jet printing chips | William G. Hawkins | 1992-01-14 |
| 5075250 | Method of fabricating a monolithic integrated circuit chip for a thermal ink jet printhead | William G. Hawkins | 1991-12-24 |
| 5045142 | Stand-off structure for flipped chip butting | Donald J. Drake | 1991-09-03 |
| 5010355 | Ink jet printhead having ionic passivation of electrical circuitry | William G. Hawkins, Daniel O. Roll, Pamela J. Hartman, Diane Atkinson | 1991-04-23 |
| 4999077 | Method of fabricating full width scanning or imaging arrays from subunits | Donald J. Drake, Michael R. Campanelli, Diane Atkinson | 1991-03-12 |
| 4947192 | Monolithic silicon integrated circuit chip for a thermal ink jet printer | William G. Hawkins | 1990-08-07 |