Inventor · disambiguated record
Duncan Stewart
Also filed as: STEWART DUNCAN · STEWART DUNCAN R · STEWART DUNCAN ROSS
66 granted patents·15 pending applications·657 citations·filing 1983–2023
99Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO40STEWART DUNCAN4STEWART GOLF LTD4HYTORK ACTUATORS LTD3DISCOVER FINANCIAL SERVICES2
Top patents by PatentIndex Score
81 records- 0193US7443711B1Non-volatile programmable impedance nanoscale devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 28, 2008·60 cites·30 claims
- 0292US7833842B2Mixed-scale electronic interfaceHEWLETT PACKARD DEVELOPMENT CO·Filed 2009·Granted Nov 16, 2010·17 cites·9 claims
- 0391US7639355B2Electric-field-enhancement structure and detection apparatus using sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Dec 29, 2009·20 cites·20 claims
- 0491US7528948B2Controllable surface enhanced Raman spectroscopyHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted May 5, 2009·17 cites·20 claims
- 0589US8351204B2Modular data processing components and systemsHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Jan 8, 2013·21 cites·11 claims
- 0689US7741638B2Control layer for a nanoscale electronic switching deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jun 22, 2010·21 cites·30 claims
- 0789US6855647B2Custom electrodes for molecular memory and logic devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Feb 15, 2005·40 cites·25 claims
- 0888US7845860B2Method for connecting multicore fibers to optical devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Dec 7, 2010·18 cites·20 claims
- 0987US8450711B2Semiconductor memristor devicesWILLIAMS R STANLEY·Filed 2009·Granted May 28, 2013·13 cites·17 claims
- 1087US7561770B2Microresonator systems and methods of fabricating the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jul 14, 2009·7 cites·9 claims
- 1185US8471234B2Multilayer memristive devicesTONG WILLIAM M·Filed 2009·Granted Jun 25, 2013·11 cites·15 claims
- 1285US8009937B2Charge-based memory cell for optical resonator tuningHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Aug 30, 2011·13 cites·21 claims
- 1385US7964925B2Photodiode module and apparatus including multiple photodiode modulesHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jun 21, 2011·8 cites·14 claims
- 1485US7307271B2Nanowire interconnection and nano-scale device applicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Dec 11, 2007·36 cites·20 claims
- 1583US8614432B2Crystalline silicon-based memristive device with multiple mobile dopant speciesPICKETT MATTHEW D·Filed 2009·Granted Dec 24, 2013·13 cites·20 claims
- 1683US7766640B2Contact lithography apparatus, system and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Aug 3, 2010·7 cites·31 claims
- 1783US7763552B2Method of interconnect formation using focused beamsHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jul 27, 2010·11 cites·20 claims
- 1882US8179935B2Tunable optical resonatorSANTORI CHARLES·Filed 2008·Granted May 15, 2012·12 cites·20 claims
- 1982US7872318B2Sensing devices and methods for forming the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jan 18, 2011·6 cites·24 claims
- 2081US8766228B2Electrically actuated device and method of controlling the formation of dopants thereinYANG JIANHUA·Filed 2008·Granted Jul 1, 2014·7 cites·11 claims
- 2180US11648971B2Foldable golf trolleySTEWART GOLF LTD·Filed 2021·Granted May 16, 2023·2 cites·19 claims
- 2280US8768132B2Ridge waveguideSTEWART DUNCAN·Filed 2008·Granted Jul 1, 2014·10 cites·20 claims
- 2380US7803712B2Multilevel imprint lithographyHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Sep 28, 2010·8 cites·15 claims
- 2480US7613538B2Compensation for distortion in contact lithographyHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Nov 3, 2009·5 cites·20 claims
- 2580US7256435B1Multilevel imprint lithographyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 14, 2007·25 cites·18 claims
- 2678US8502188B2Electrically actuated devicePICKETT MATTHEW D·Filed 2011·Granted Aug 6, 2013·4 cites·13 claims
- 2778US8244134B2Optical interconnectSANTORI CHARLES·Filed 2007·Granted Aug 14, 2012·10 cites·17 claims
- 2878US7906778B2Methods of making nano-scale structures having controlled size, nanowire structures and methods of making the nanowire structuresHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Mar 15, 2011·7 cites·12 claims
- 2977US7734084B2Method and system for offset estimation and alignmentHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jun 8, 2010·12 cites·20 claims
- 3077US7466407B2Photonic crystal Raman sensors and methods including the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Dec 16, 2008·8 cites·21 claims
- 3175US8175429B2Microresonator systems and methods of fabricating the sameTAN MICHAEL RENNE TY·Filed 2009·Granted May 8, 2012·3 cites·5 claims
- 3275US7880318B1Sensing system and method of making the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Feb 1, 2011·12 cites·15 claims
- 3375US7764852B2Microresonantor systems and methods of fabricating the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jul 27, 2010·4 cites·12 claims
- 3474US8202755B2Photodiode module and apparatus including multiple photodiode modulesFATTAL DAVID·Filed 2011·Granted Jun 19, 2012·2 cites·7 claims
- 3574US8030754B2Chip cooling channels formed in wafer bonding gapHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 4, 2011·6 cites·10 claims
- 3674US7388200B2Sensing method and nanosensing device for performing the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jun 17, 2008·12 cites·27 claims
- 3773US7719073B2Capacitively coupling layers of a multilayer deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted May 18, 2010·4 cites·20 claims
- 3872US7763978B2Three-dimensional crossbar array systems and methods for writing information to and reading information stored in three-dimensional crossbar array junctionsHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jul 27, 2010·8 cites·20 claims
- 3971US7972882B2Microresonator systems and methods of fabricating the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2009·Granted Jul 5, 2011·2 cites·8 claims
- 4070US7319416B2Tunneling-resistor-junction-based microscale/nanoscale demultiplexer arraysHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jan 15, 2008·7 cites·12 claims
- 4169US8202012B2Electro-optical connector and methods for aligningSTEWART DUNCAN·Filed 2008·Granted Jun 19, 2012·11 cites·21 claims
- 4269US6615982B1Golf bagSTEWART CONCEPTS LTD·Filed 2000·Granted Sep 9, 2003·23 cites·17 claims
- 4367US8009991B2Dynamic optical signal tracking on a detector array in a free space optical communication systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Aug 30, 2011·3 cites·16 claims
- 4467US7618752B2Deformation-based contact lithography systems, apparatus and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Nov 17, 2009·2 cites·22 claims
- 4566US12045262B2Reconciliation systems and methods for unbounded streamsDISCOVER FINANCIAL SERVICES·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 4666US8268720B2Method of positioning catalyst nanoparticle and nanowire-based device employing sameKAMINS THEODORE I·Filed 2007·Granted Sep 18, 2012·3 cites·16 claims
- 4766US7692215B2Mixed-scale electronic interfaceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Apr 6, 2010·2 cites·7 claims
- 4866US5357847APressure vessels having end closures and retainersHYTORK ACTUATORS LTD·Filed 1991·Granted Oct 25, 1994·18 cites·11 claims
- 4965US4651627AFluid-pressure operated actuatorsHYTORK ACTUATORS LTD·Filed 1986·Granted Mar 24, 1987·16 cites·6 claims
- 5064US7609916B2Electrical contact apparatus for optical waveguidesHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 27, 2009·1 cites·20 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Duncan Stewart files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →