Inventor · disambiguated record
Ashok Murthy
Also filed as: MURTHY ASHOK · MURTHY ASHOK KUMAR
54 granted patents·11 pending applications·1,289 citations·filing 1986–2024
99Inventor score
Files withLEXMARK INT INC34XEROX INTERNAT PARTNERS14DEVICES UNLIMITED CORP3AVIZ NETWORKS INC2CARLSON CHARLES ROBERT2
Top patents by PatentIndex Score
65 records- 0198US6045214AInk jet printer nozzle plate having improved flow feature design and method of making nozzle platesLEXMARK INT INC·Filed 1997·Granted Apr 4, 2000·173 cites·21 claims
- 0294US5658471AFabrication of thermal ink-jet feed slots in a silicon substrateLEXMARK INT INC·Filed 1995·Granted Aug 19, 1997·120 cites·24 claims
- 0393US6024440ANozzle array for printheadLEXMARK INT INC·Filed 1998·Granted Feb 15, 2000·88 cites·36 claims
- 0493US5099288AFixing device with selectable finishLEXMARK INT INC·Filed 1990·Granted Mar 24, 1992·64 cites·6 claims
- 0592US6076912AThermally conductive, corrosion resistant printhead structureLEXMARK INT INC·Filed 1998·Granted Jun 20, 2000·81 cites·26 claims
- 0689US6120131AMethod of forming an inkjet printhead nozzle structureLEXMARK INT INC·Filed 1997·Granted Sep 19, 2000·65 cites·34 claims
- 0788US6158843AInk jet printer nozzle plates with ink filtering projectionsLEXMARK INT INC·Filed 1997·Granted Dec 12, 2000·61 cites·9 claims
- 0885US4724452AShutterEASTMAN KODAK CO·Filed 1986·Granted Feb 9, 1988·22 cites·14 claims
- 0984US8332332B2Methods and apparatus for managing pre-paid printing system accountsCARLSON CHARLES ROBERT·Filed 2010·Granted Dec 11, 2012·16 cites·33 claims
- 1082US6310641B1Integrated nozzle plate for an inkjet print head formed using a photolithographic methodLEXMARK INT INC·Filed 1999·Granted Oct 30, 2001·41 cites·11 claims
- 1181US6190492B1Direct nozzle plate to chip attachmentLEXMARK INT INC·Filed 1995·Granted Feb 20, 2001·53 cites·4 claims
- 1281US5812158ACoated nozzle plate for ink jet printingLEXMARK INT INC·Filed 1996·Granted Sep 22, 1998·40 cites·24 claims
- 1377US6106096APrinthead stress reliefLEXMARK INT INC·Filed 1997·Granted Aug 22, 2000·35 cites·15 claims
- 1476US6796019B2Process for making a heater chip moduleLEXMARK INT INC·Filed 2002·Granted Sep 28, 2004·19 cites·10 claims
- 1576US6183064B1Method for singulating and attaching nozzle plates to printheadsLEXMARK INT INC·Filed 1997·Granted Feb 6, 2001·29 cites·35 claims
- 1674US8215548B2Method and system for providing contract-free “pay-as-you-go” options for utilization of multi-function devicesGNANASAMBANDAM SHANMUGA-NATHAN·Filed 2009·Granted Jul 10, 2012·5 cites·30 claims
- 1774US6449831B1Process for making a heater chip moduleLEXMARK INT INC·Filed 1998·Granted Sep 17, 2002·37 cites·14 claims
- 1874US5469247AToned member cleaning by electrified rollerLEXMARK INT INC·Filed 1994·Granted Nov 21, 1995·21 cites·12 claims
- 1973US6254214B1System for cooling and maintaining an inkjet print head at a constant temperatureLEXMARK INT INC·Filed 1999·Granted Jul 3, 2001·28 cites·19 claims
- 2073US6039439AInk jet heater chip moduleLEXMARK INT INC·Filed 1998·Granted Mar 21, 2000·28 cites·9 claims
- 2170US6612032B1Manufacturing method for ink jet penLEXMARK INT INC·Filed 2000·Granted Sep 2, 2003·13 cites·12 claims
- 2270US5940096AInk jet printhead assembly with non-emitting orificesLEXMARK INT INC·Filed 1996·Granted Aug 17, 1999·27 cites·16 claims
- 2369US8542376B2Pre-paid document processing devices and operating methodsCARLSON CHARLES ROBERT·Filed 2010·Granted Sep 24, 2013·2 cites·13 claims
- 2469US6323456B1Method of forming an ink jet printhead structureLEXMARK INT INC·Filed 2000·Granted Nov 27, 2001·11 cites·32 claims
- 2569US6120135APrinthead 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 flowLEXMARK INT INC·Filed 1997·Granted Sep 19, 2000·25 cites·29 claims
- 2667US4728875AMethod and apparatus for monitoring a liquid levelALLEGHENY LUDLUM CORP·Filed 1986·Granted Mar 1, 1988·10 cites·20 claims
- 2766US9081521B2Networked printing systems for providing a la carte reproduction servicesXEROX INTERNAT PARTNERS·Filed 2012·Granted Jul 14, 2015·2 cites·34 claims
- 2866US6209203B1Method for making nozzle array for printheadLEXMARK INT INC·Filed 1998·Granted Apr 3, 2001·23 cites·12 claims
- 2965US6267472B1Ink jet heater chip module with sealant materialLEXMARK INT INC·Filed 1998·Granted Jul 31, 2001·25 cites·30 claims
- 3064US7018503B2Manufacturing method for ink jet penLEXMARK INT INC·Filed 2003·Granted Mar 28, 2006·8 cites·14 claims
- 3164US6820959B1Ink jet cartridge structureLEXMARK INTERNATIONAL IN C·Filed 1998·Granted Nov 23, 2004·25 cites·8 claims
- 3262US8913272B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Dec 16, 2014·1 cites·27 claims
- 3362US2024302822A1Systems and methods for manufacturing energy consumption and carbon footprint attributionDEVICES UNLIMITED CORP·Filed 2023·Application pending·0 cites
- 3461US2024303669A1Systems and methods for manufacturing energy consumption and carbon footprint attributionDEVICES UNLIMITED CORP·Filed 2023·Application pending·0 cites
- 3561US2024303668A1System and method for an instrumentation node for measuring and tracking carbon footprint of manufactured goodsDEVICES UNLIMITED CORP·Filed 2023·Application pending·0 cites
- 3656US2025348300A1System and method for ai-assisted monitoring and validation for network upgradesAVIZ NETWORKS INC·Filed 2024·Application pending·0 cites
- 3755US5432036ALiquid electrostatic toners with terpolymer resinLEXMARK INT INC·Filed 1994·Granted Jul 11, 1995·10 cites·8 claims
- 3854US6170931B1Ink jet heater chip module including a nozzle plate coupling a heater chip to a carrierLEMARK INTERNATIONAL INC·Filed 1998·Granted Jan 9, 2001·13 cites·13 claims
- 3954US2025150368A1System and method for network telemetry data analysis with stream processing and non-uniform samplingAVIZ NETWORKS INC·Filed 2024·Application pending·0 cites
- 4051US2007192183A1System and architecture for providing retail buying options to consumer using customer dataMONACO TOVIN·Filed 2006·Application pending·0 cites
- 4150US5291255AImaging apparatus with straight path fixingLEXMARK INT INC·Filed 1992·Granted Mar 1, 1994·9 cites·4 claims
- 4248US6371600B1Polymeric nozzle plateLEXMARK INT INC·Filed 1998·Granted Apr 16, 2002·10 cites·18 claims
- 4348US5308729AElectrophotographic liquid developer with charge directorLEXMARK INT INC·Filed 1992·Granted May 3, 1994·7 cites·15 claims
- 4447US8970885B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Mar 3, 2015·0 cites·21 claims
- 4547US8970859B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Mar 3, 2015·0 cites·16 claims
- 4646US8908214B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Dec 9, 2014·0 cites·13 claims
- 4745US9122436B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Sep 1, 2015·0 cites·13 claims
- 4845US8917414B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Dec 23, 2014·0 cites·21 claims
- 4945US8908213B2Virtual printer interface nodeXEROX INTERNAT PARTNERS·Filed 2013·Granted Dec 9, 2014·0 cites·21 claims
- 5045US5457002ACarrier fluid for liquid electrophotographic tonerLEXMARK INT INC·Filed 1994·Granted Oct 10, 1995·6 cites·7 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →