Inventor · disambiguated record
John R. Andrews
Also filed as: ANDREWS JOHN R · ANDREWS JOHN R G · ANDREWS JOHN RICHARD
132 granted patents·9 pending applications·1,744 citations·filing 1983–2019
99Inventor score
Top patents by PatentIndex Score
141 records- 0196US7527359B2Circuitry for printerXEROX CORP·Filed 2005·Granted May 5, 2009·39 cites·13 claims
- 0295US6229114B1Precision laser cutting of adhesive membersXEROX CORP·Filed 1999·Granted May 8, 2001·196 cites·30 claims
- 0394US6388231B1Systems and methods for controlling depths of a laser cutXEROX CORP·Filed 2000·Granted May 14, 2002·69 cites·37 claims
- 0492US8556611B2Method for interstitial polymer planarization using a flexible flat plateDOLAN BRYAN R·Filed 2011·Granted Oct 15, 2013·8 cites·5 claims
- 0592US6139674AMethod of making an ink jet printhead filter by laser ablationXEROX CORP·Filed 1997·Granted Oct 31, 2000·79 cites·2 claims
- 0691US7862160B2Hybrid manifold for an ink jet printheadXEROX CORP·Filed 2007·Granted Jan 4, 2011·12 cites·19 claims
- 0791US6079819AInk jet printhead having a low cross talk ink channel structureXEROX CORP·Filed 1998·Granted Jun 27, 2000·78 cites·12 claims
- 0891US5175643AMonolithic integrated master oscillator power amplifierXEROX CORP·Filed 1991·Granted Dec 29, 1992·75 cites·21 claims
- 0990US8628173B2Electrical interconnect using embossed contacts on a flex circuitSTEPHENS TERRANCE L·Filed 2010·Granted Jan 14, 2014·14 cites·6 claims
- 1089US8205971B2Electrically grounded inkjet ejector and method for making an electrically grounded inkjet ejectorNEWTON TYGH J·Filed 2010·Granted Jun 26, 2012·13 cites·8 claims
- 1189US8006356B2Method of forming an array of drop generatorsXEROX CORP·Filed 2006·Granted Aug 30, 2011·9 cites·16 claims
- 1289US6302523B1Ink jet printheadsXEROX CORP·Filed 1999·Granted Oct 16, 2001·71 cites·25 claims
- 1388US8197031B2Fluid dispensing subassembly with polymer layerSTEPHENS TERRANCE L·Filed 2009·Granted Jun 12, 2012·15 cites·13 claims
- 1487US8201928B2Inkjet ejector having an improved filterGERNER BRADLEY J·Filed 2009·Granted Jun 19, 2012·8 cites·6 claims
- 1587US7738805B2Xerography methods and systems employing addressable fusing of unfused toner imagePALO ALTO RES CT INC·Filed 2008·Granted Jun 15, 2010·7 cites·18 claims
- 1687US6779877B2Ink jet printhead having a channel plate with integral filterXEROX CORP·Filed 2002·Granted Aug 24, 2004·30 cites·20 claims
- 1787US5418556AMethod and apparatus for registering multiple images in a color xerographic systemXEROX CORP·Filed 1993·Granted May 23, 1995·33 cites·8 claims
- 1886US7766463B2Fluid dispensing subassembly with compliant filmXEROX CORP·Filed 2008·Granted Aug 3, 2010·13 cites·19 claims
- 1986US7600863B2Inkjet jet stack external manifoldXEROX CORP·Filed 2006·Granted Oct 13, 2009·8 cites·8 claims
- 2086US5459737ATest access port controlled built in current monitor for IC devicesNAT SEMICONDUCTOR CORP·Filed 1993·Granted Oct 17, 1995·58 cites·18 claims
- 2185US6464347B2Laser ablated filterXEROX CORP·Filed 2000·Granted Oct 15, 2002·32 cites·28 claims
- 2285US5357536AMethod and apparatus for the positioning of laser diodesXEROX CORP·Filed 1993·Granted Oct 18, 1994·47 cites·26 claims
- 2384US6759012B2Pin holder for a microarraying apparatusGENETIX LTD·Filed 2001·Granted Jul 6, 2004·27 cites·15 claims
- 2483US7440722B2Xerography methods and systems employing addressable fusing of unfused toner imagePALO ALTO RES CT INC·Filed 2004·Granted Oct 21, 2008·18 cites·23 claims
- 2581US8465659B2Polymer layer removal on pzt arrays using a plasma etchDOLAN BRYAN R·Filed 2011·Granted Jun 18, 2013·3 cites·19 claims
- 2681US6568792B2Segmented heater configurations for an ink jet printheadXEROX CORP·Filed 2000·Granted May 27, 2003·21 cites·19 claims
- 2781US5379302AECL test access port with low power controlNAT SEMICONDUCTOR CORP·Filed 1993·Granted Jan 3, 1995·48 cites·19 claims
- 2880US6289187B1Carbon fiber commutator brush for a toner developing device and method for makingXEROX CORP·Filed 1999·Granted Sep 11, 2001·28 cites·21 claims
- 2980US5231314AProgrammable timing circuit for integrated circuit device with test access portNAT SEMICONDUCTOR CORP·Filed 1992·Granted Jul 27, 1993·44 cites·20 claims
- 3079US7891798B2Micro-fluidic device having an improved filter layer and method for assembling a micro-fluidic deviceXEROX CORP·Filed 2008·Granted Feb 22, 2011·5 cites·16 claims
- 3179US7862678B2Drop generatorXEROX CORP·Filed 2006·Granted Jan 4, 2011·6 cites·17 claims
- 3279US5051328APhotosensitive imaging member with a low-reflection ground planeXEROX CORP·Filed 1990·Granted Sep 24, 1991·27 cites·2 claims
- 3378US8177335B2Transducer interconnect with conductive filmsGERNER BRADLEY JAMES·Filed 2008·Granted May 15, 2012·4 cites·6 claims
- 3477US8177338B2High frequency mechanically actuated inkjetANDREWS JOHN R·Filed 2009·Granted May 15, 2012·4 cites·16 claims
- 3577US7331655B2Fluid coupler and a device arranged with the sameXEROX CORP·Filed 2005·Granted Feb 19, 2008·4 cites·17 claims
- 3676US6644791B1Ink jet printhead having efficient heat dissipation and removal of airXEROX CORP·Filed 2002·Granted Nov 11, 2003·16 cites·18 claims
- 3776US6199980B1Efficient fluid filtering device and an ink jet printhead including the sameXEROX CORP·Filed 1999·Granted Mar 13, 2001·32 cites·19 claims
- 3875US8540346B2Patterned metallization on polyimide aperture plate for laser-ablated nozzelDOLAN BRYAN R·Filed 2011·Granted Sep 24, 2013·2 cites·7 claims
- 3975US8303093B2Print head having a polymer layer to facilitate assembly of the print headDOLAN BRYAN R·Filed 2009·Granted Nov 6, 2012·3 cites·9 claims
- 4075US5751315AThermal ink-jet printhead with a thermally isolated heating element in each ejectorXEROX CORP·Filed 1996·Granted May 12, 1998·35 cites·8 claims
- 4174US5640188AMultiple diode laser employing mating substratesXEROX CORP·Filed 1992·Granted Jun 17, 1997·30 cites·12 claims
- 4273US8646875B2Independent adjustment of drop mass and velocity using stepped nozzlesGULVIN PETER M·Filed 2010·Granted Feb 11, 2014·2 cites·8 claims
- 4373US5432535AMethod and apparatus for fabrication of multibeam lasersXEROX CORP·Filed 1992·Granted Jul 11, 1995·30 cites·25 claims
- 4471US7048361B2Ink jet apparatusXEROX CORP·Filed 2003·Granted May 23, 2006·12 cites·55 claims
- 4571US6955419B2Ink jet apparatusXEROX CORP·Filed 2003·Granted Oct 18, 2005·12 cites·25 claims
- 4670US10710367B2Printhead having two adhesivesXEROX CORP·Filed 2019·Granted Jul 14, 2020·0 cites·11 claims
- 4769US8360557B2Method for laser drilling fluid ports in multiple layersXEROX CORP·Filed 2008·Granted Jan 29, 2013·2 cites·16 claims
- 4868US9206341B2Solvent system enabling thin film deposition of epoxy adhesives for high density piezo printhead interstitial bondingXEROX CORP·Filed 2014·Granted Dec 8, 2015·0 cites·17 claims
- 4968US8303076B2Solid ink jet printhead having a polymer layer and processes thereforLIN PINYEN·Filed 2009·Granted Nov 6, 2012·2 cites·15 claims
- 5068US8197037B2Method of removing thermoset polymer from piezoelectric transducers in a print headGERNER BRADLEY J·Filed 2009·Granted Jun 12, 2012·2 cites·3 claims
Showing the top 50 of 141 patent records by PatentIndex Score.
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