Inventor · disambiguated record
Frederick A. Donahue
Also filed as: DONAHUE FREDERICK A · DONAHUE FREDERICK ALLEN
26 granted patents·5 pending applications·1,281 citations·filing 1983–2012
97Inventor score
Top patents by PatentIndex Score
31 records- 0198US6158837APrinter having print mode for non-qualified marking materialXEROX CORP·Filed 1997·Granted Dec 12, 2000·200 cites·14 claims
- 0298US6089693APagewidth ink jet printer including multiple pass defective nozzle correctionXEROX CORP·Filed 1998·Granted Jul 18, 2000·200 cites·16 claims
- 0396US6155669APagewidth ink jet printer including a printbar mounted encoding systemXEROX CORP·Filed 1998·Granted Dec 5, 2000·126 cites·22 claims
- 0496US5349905AMethod and apparatus for controlling peak power requirements of a printerXEROX CORP·Filed 1993·Granted Sep 27, 1994·129 cites·2 claims
- 0595US6168333B1Paper driven rotary encoder that compensates for nip-to-nip handoff errorXEROX CORP·Filed 1999·Granted Jan 2, 2001·72 cites·20 claims
- 0694US5534895AElectronic auto-correction of misaligned segmented printbarsXEROX CORP·Filed 1994·Granted Jul 9, 1996·113 cites·27 claims
- 0793US6494553B1Ink level sensing for ink printerXEROX CORP·Filed 2001·Granted Dec 17, 2002·69 cites·13 claims
- 0887US5704602ASystem for automatic print jobs separations in foldersXEROX CORP·Filed 1996·Granted Jan 6, 1998·42 cites·11 claims
- 0985US5619622ARaster output interface for a printbarXEROX CORP·Filed 1994·Granted Apr 8, 1997·94 cites·24 claims
- 1078US8864278B2Detecting potential collision damage to printheadDONAHUE FREDERICK ALLEN·Filed 2012·Granted Oct 21, 2014·3 cites·14 claims
- 1178US6174037B1Multiple pass ink jet printer with optimized power supplyXEROX CORP·Filed 1997·Granted Jan 16, 2001·40 cites·3 claims
- 1277US5563591AProgrammable encoder using an addressable displayXEROX CORP·Filed 1994·Granted Oct 8, 1996·41 cites·38 claims
- 1370US8136905B2Drop volume compensation for ink supply variationKNEEZEL GARY A·Filed 2008·Granted Mar 20, 2012·3 cites·12 claims
- 1466US5402156ASlow scan stitching mechanismXEROX CORP·Filed 1992·Granted Mar 28, 1995·22 cites·15 claims
- 1565US6450712B1Method and apparatus for optimizing substrate speed in a printer deviceXEROX CORP·Filed 2001·Granted Sep 17, 2002·11 cites·16 claims
- 1665US5692108AOdd/even stroke control for reduced video data clockingXEROX CORP·Filed 1994·Granted Nov 25, 1997·32 cites·28 claims
- 1764US5579453ASmart direct memory access controllerXEROX CORP·Filed 1994·Granted Nov 26, 1996·31 cites·25 claims
- 1858US8277006B2Controllable maintenance operations for efficient ink useDONAHUE FREDERICK A·Filed 2010·Granted Oct 2, 2012·1 cites·24 claims
- 1957US7030972B2System and method for identifying objectsXEROX CORP·Filed 2002·Granted Apr 18, 2006·6 cites·19 claims
- 2057US5803628APrinting apparatus including encoder pendingXEROX CORP·Filed 1996·Granted Sep 8, 1998·16 cites·20 claims
- 2155US4577096AMultiple copy and transparency detector with illumination controlXEROX CORP·Filed 1983·Granted Mar 18, 1986·9 cites·8 claims
- 2253US6176563B1Ink marking device maintenance fluid replenishment system and methodXEROX CORP·Filed 1999·Granted Jan 23, 2001·13 cites·18 claims
- 2347US8764155B2Weather based humidity adjustment of printhead maintenanceDONAHUE FREDERICK ALLEN·Filed 2011·Granted Jul 1, 2014·0 cites·20 claims
- 2447US6578942B1Liquid crystal sensing of thermal ink jet head temperatureXEROX CORP·Filed 2002·Granted Jun 17, 2003·3 cites·3 claims
- 2547US2012081440A1Drop volume compensation for ink supply variationKNEEZEL GARY A·Filed 2011·Application pending·0 cites
- 2645US8721036B2Geographically based humidity adjustment of printhead maintenanceDONAHUE FREDERICK ALLEN·Filed 2011·Granted May 13, 2014·0 cites·23 claims
- 2738US6238046B1Liquid ink printer including a variable throughput active-passive wet sheet dryer assemblyXEROX CORP·Filed 1999·Granted May 29, 2001·5 cites·20 claims
- 2837US2009322806A1Method of printing for increased ink efficiencyDONAHUE FREDERICK A·Filed 2008·Application pending·0 cites
- 2936US2013100197A1Indoor humidity condition adjustment of printhead maintenanceDONAHUE FREDERICK ALLEN·Filed 2011·Application pending·0 cites
- 3033US2002063760A1Remotely-powered ink cartridge identification system for an inkjet printerFiled 2000·Application pending·0 cites
- 3130US2011205292A1Using nondepleted ink source for maintenance operationKNEEZEL GARY A·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →