Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357863 | Linear substrate heater for ink jet print head chip | Frank Edward Anderson, Shirish Padmakar Mulay | 2002-03-19 |
| 6312079 | Print head drive scheme for serial compression of I/O in ink jets | Frank Edward Anderson, Thomas Jon Eade | 2001-11-06 |
| 6299274 | Thermal ink jet printer cartridge identification | John Philip Bolash, Mark Joseph Edwards, Edmund Hulin James, III | 2001-10-09 |
| 6274896 | Drive transistor with fold gate | Bruce David Gibson | 2001-08-14 |
| 6176569 | Transitional ink jet heater addressing | Frank Edward Anderson, Bruce David Gibson, Thomas Jon Eade | 2001-01-23 |
| 6161915 | Identification of thermal inkjet printer cartridges | John Philip Bolash, Mark Joseph Edwards, Edmund Hulin James, III, David H. White | 2000-12-19 |
| 6161916 | Memory expansion circuit for ink jet print head identification circuit | Bruce David Gibson | 2000-12-19 |
| 6137502 | Dual droplet size printhead | Frank Edward Anderson, John Philip Bolash, Robert W. Cornell | 2000-10-24 |
| 6102515 | Printhead driver for jetting heaters and substrate heater in an ink jet printer and method of controlling such heaters | Mark Joseph Edwards, Bruce David Gibson | 2000-08-15 |
| 6022094 | Memory expansion circuit for ink jet print head identification circuit | Bruce David Gibson | 2000-02-08 |
| 5942900 | Method of fault detection in ink jet printhead heater chips | Jan Richard DeMeerleer, Lawrence Russell Steward, Robert Shelby Tucker | 1999-08-24 |
| 5940095 | Ink jet print head identification circuit with serial out, dynamic shift registers | Lawrence Russell Steward | 1999-08-17 |
| 5867183 | Apparatus for driving multiple ink jet printheads with a single set of drive outputs | Robert W. Cornell, Lawrence Russell Steward, David Waldrop | 1999-02-02 |
| 5757394 | Ink jet print head identification circuit with programmed transistor array | Bruce David Gibson | 1998-05-26 |
| 5598251 | Concentration sensing by viscosity measurement | William Joseph Thornhill | 1997-01-28 |
| 5188465 | RMS power controller for dot-matrix printers | William M. Johnson | 1993-02-23 |