Inventor
DRAKE DONALD J
US63 patents
Patents
50 patentsUS6089693AJul 18, 2000
Pagewidth ink jet printer including multiple pass defective nozzle correction
XEROX CORP200 citations99
US5208605AMay 4, 1993
Multi-resolution roofshooter printheads
XEROX CORP165 citations99
US5160945ANov 3, 1992
Pagewidth thermal ink jet printhead
XEROX CORP904 citations99
US5057854AOct 15, 1991
Modular partial bars and full width array printheads fabricated from modular partial bars
XEROX CORP216 citations99
US4985710AJan 15, 1991
Buttable subunits for pagewidth "Roofshooter" printheads
XEROX CORP477 citations99
US4829324AMay 9, 1989
Large array thermal ink jet printhead
XEROX CORP218 citations99
US4601777AJul 22, 1986
Thermal ink jet printhead and process therefor
XEROX CORP239 citations99
US5710582AJan 20, 1998
Hybrid ink jet printer
XEROX CORP141 citations98
US5160403ANov 3, 1992
Precision diced aligning surfaces for devices such as ink jet printheads
XEROX CORP126 citations98
US5030971AJul 9, 1991
Precisely aligned, mono- or multi-color, `roofshooter` type printhead
XEROX CORP124 citations98
US4961821AOct 9, 1990
Ode through holes and butt edges without edge dicing
XEROX CORP145 citations98
US5192959AMar 9, 1993
Alignment of pagewidth bars
XEROX CORP134 citations97
US4789425ADec 6, 1988
Thermal ink jet printhead fabricating process
XEROX CORP148 citations97
US5755024AMay 26, 1998
Printhead element butting
XEROX CORP59 citations96
US5751311AMay 12, 1998
Hybrid ink jet printer with alignment of scanning printheads to pagewidth printbar
XEROX CORP62 citations96
US5620614AApr 15, 1997
Printhead array and method of producing a printhead die assembly that minimizes end channel damage
XEROX CORP58 citations96
US5572244ANov 5, 1996
Adhesive-free edge butting for printhead elements
XEROX CORP56 citations96
US5341162AAug 23, 1994
Liquid deagassing apparatus
XEROX CORP69 citations96
US5201987AApr 13, 1993
Fabricating method for silicon structures
XEROX CORP66 citations96
US5198054AMar 30, 1993
Method of making compensated collinear reading or writing bar arrays assembled from subunits
XEROX CORP69 citations96
US5141596AAug 25, 1992
Method of fabricating an ink jet printhead having integral silicon filter
XEROX CORP89 citations96
US5124717AJun 23, 1992
Ink jet printhead having integral filter
XEROX CORP107 citations96
US5098503AMar 24, 1992
Method of fabricating precision pagewidth assemblies of ink jet subunits
XEROX CORP76 citations96
US5079189AJan 7, 1992
Method of making RIS or ROS array bars using replaceable subunits
XEROX CORP58 citations96
US5041190AAug 20, 1991
Method of fabricating channel plates and ink jet printheads containing channel plates
XEROX CORP73 citations96
US5017941AMay 21, 1991
Thermal ink jet printhead with recirculating cooling system
XEROX CORP80 citations96
US5006202AApr 9, 1991
Fabricating method for silicon devices using a two step silicon etching process
XEROX CORP75 citations96
US4999077AMar 12, 1991
Method of fabricating full width scanning or imaging arrays from subunits
XEROX CORP110 citations96
US4899181AFeb 6, 1990
Large monolithic thermal ink jet printhead
XEROX CORP91 citations96
US4875968AOct 24, 1989
Method of fabricating ink jet printheads
XEROX CORP68 citations96
US4864329ASep 5, 1989
Fluid handling device with filter and fabrication process therefor
XEROX CORP90 citations96
US4851371AJul 25, 1989
Fabricating process for large array semiconductive devices
XEROX CORP97 citations96
US4822755AApr 18, 1989
Method of fabricating large area semiconductor arrays
XEROX CORP83 citations96
US4786357ANov 22, 1988
Thermal ink jet printhead and fabrication method therefor
XEROX CORP62 citations96
US4678529AJul 7, 1987
Selective application of adhesive and bonding process for ink jet printheads
XEROX CORP60 citations96
US4639748AJan 27, 1987
Ink jet printhead with integral ink filter
XEROX CORP108 citations96
US4638328AJan 20, 1987
Printhead for an ink jet printer
XEROX CORP87 citations96
US5528272AJun 18, 1996
Full width array read or write bars having low induced thermal stress
XEROX CORP92 citations94
US7300133B1Nov 27, 2007
Systems and methods for print head defect detection and print head maintenance
XEROX CORP43 citations93
US7278699B2Oct 9, 2007
Enhanced printer reliability using extra print module
XEROX CORP28 citations93
US5534901AJul 9, 1996
Ink jet printhead having a flat surface heater plate
XEROX CORP45 citations93
US5034083AJul 23, 1991
Process and apparatus for assembling smaller scanning or printing arrays together to form an extended array
XEROX CORP30 citations93
US6764160B1Jul 20, 2004
Printhead interposing maintenance apparatus and method and image producing machine having same
XEROX CORP23 citations92
US4975143ADec 4, 1990
Keyway alignment substrates
XEROX CORP28 citations92
US6698861B1Mar 2, 2004
Spot size noise to minimize stitch error perception
XEROX CORP13 citations84
US6130693AOct 10, 2000
Ink jet printhead which prevents accumulation of air bubbles therein and method of fabrication thereof
XEROX CORP18 citations84
US5943076AAug 24, 1999
Printhead for thermal ink jet devices
XEROX CORP18 citations84
US7980671B2Jul 19, 2011
Electrostatic actuator and method of making the electrostatic actuator
XEROX CORP13 citations83
US7264328B2Sep 4, 2007
Systems and methods for print head defect detection and print head maintenance
XEROX CORP6 citations74
US6864908B2Mar 8, 2005
Printhead with plural arrays of printing elements
XEROX CORP7 citations74
Showing the top 50 of 63 patents by PatentIndex Score.