Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323456 | Method of forming an ink jet printhead structure | Ashok Murthy, Tonya Harris Jackson, Gary R. Williams | 2001-11-27 |
| 6199977 | Cartridge body for ink jet printer | Gregory Alan Long | 2001-03-13 |
| 6190492 | Direct nozzle plate to chip attachment | John Clowry Byrne, Ashok Murthy | 2001-02-20 |
| D437611 | Ink cartridge for printer | John Wayne Gassett | 2001-02-13 |
| 6183064 | Method for singulating and attaching nozzle plates to printheads | Ashok Murthy, Richard Corley, Tonya Harris Jackson, Gary R. Williams | 2001-02-06 |
| 6168267 | Pressure controlled ink cartridge | — | 2001-01-02 |
| 6158843 | Ink jet printer nozzle plates with ink filtering projections | Ashok Murthy, Robert W. Cornell, James Harold Powers, Bruce David Gibson | 2000-12-12 |
| 6155678 | Replaceable ink cartridge for ink jet pen | Michael David Lattuca, Gregory Alan Long, David A. Ward | 2000-12-05 |
| 6120131 | Method of forming an inkjet printhead nozzle structure | Ashok Murthy, Gary R. Williams, Tonya Harris Jackson | 2000-09-19 |
| 6120135 | Printhead having heating element conductors arranged in spaced apart planes and including heating elements having a substantially constant cross-sectional area in the direction of current flow | Ashok Murthy | 2000-09-19 |
| 6106096 | Printhead stress relief | Ashok Murthy, Michael Raulinaitis, Gary R. Williams | 2000-08-22 |
| 6080959 | System and method for feature compensation of an ablated inkjet nozzle plate | — | 2000-06-27 |
| 6079811 | Ink jet printhead having a unitary actuator with a plurality of active sections | Robert W. Cornell, Jack William Morris, James Harold Powers, Lawrence Russell Steward | 2000-06-27 |
| D423569 | Ink cartridge for printer | John Wayne Gassett, Anthony M. Scheetz | 2000-04-25 |
| 6045214 | Ink jet printer nozzle plate having improved flow feature design and method of making nozzle plates | Ashok Murthy, James Harold Powers | 2000-04-04 |
| 6039439 | Ink jet heater chip module | Ashok Murthy, Carl Edmond Sullivan | 2000-03-21 |
| 6030071 | Printhead having heating element conductors arranged in a matrix | Ashok Murthy, Bradley Beach | 2000-02-29 |
| 6020905 | Ink jet printhead for drop size modulation | Robert W. Cornell, Jack William Morris, James Harold Powers, Lawrence Russell Steward | 2000-02-01 |
| 5988803 | Ink leakage control arrangement for an ink cartridge | James Harold Powers | 1999-11-23 |
| 5940096 | Ink jet printhead assembly with non-emitting orifices | Ashok Murthy, James Harold Powers | 1999-08-17 |
| 5707456 | Method for treating ink jet foam to remove impurities | Ashok Murthy, Sean D. Smith | 1998-01-13 |
| 5002375 | Variable pel density print head for electrophotographic printers | Ravinder Prakash, Larry L. Wolfe | 1991-03-26 |
| 4943815 | Laser printer with light-exposure prevention | Charles Stanley Aldrich, James A. Craft, James Philip Harden, William S. Rousey, Praful M. Shah +3 more | 1990-07-24 |
| 4790672 | Pressed sleeve bearing | — | 1988-12-13 |
| 4616945 | Correction feed mechanism in a correction tape cartridge | — | 1986-10-14 |