Inventor · disambiguated record
Keith Curtis
Also filed as: CURTIS KEITH · CURTIS KEITH C · CURTIS KEITH E · CURTIS KEITH EDWIN
60 granted patents·16 pending applications·299 citations·filing 1999–2025
98Inventor score
Files withMICROCHIP TECH INC57MICROSOFT CORP5SMIT ZACHARIAS MARTHINUS3PORTER STEPHEN B2ARISTOCRAT TECHNOLOGIES AU1
Top patents by PatentIndex Score
76 records- 0195US9543948B2Physical force capacitive touch sensorsMICROCHIP TECH INC·Filed 2013·Granted Jan 10, 2017·26 cites·32 claims
- 0294US9144041B2Capacitive/inductive proximity detection for Wi-Fi protectionMICROCHIP TECH INC·Filed 2012·Granted Sep 22, 2015·26 cites·9 claims
- 0393US9587964B2Capacitive proximity detection using delta-sigma conversionMICROCHIP TECH INC·Filed 2014·Granted Mar 7, 2017·12 cites·26 claims
- 0492US9665725B2Gesture based access control method and systemMICROCHIP TECH INC·Filed 2015·Granted May 30, 2017·10 cites·20 claims
- 0588US9673868B2Wireless door lock power transfer system having communications capabilitiesMICROCHIP TECH INC·Filed 2014·Granted Jun 6, 2017·13 cites·29 claims
- 0687US8884771B2Smoke detection using change in permittivity of capacitor air dielectricCOOKE BENJAMIN T·Filed 2012·Granted Nov 11, 2014·24 cites·28 claims
- 0787USD465337SApertured nonwoven fabricPOLYMER GROUP INC·Filed 2001·Granted Nov 12, 2002·36 cites·1 claims
- 0885US8847802B2Microcontroller ADC with a variable sample and hold capacitorMICROCHIP TECH INC·Filed 2012·Granted Sep 30, 2014·10 cites·16 claims
- 0984US10089164B2Watchdog timerMICROCHIP TECH INC·Filed 2016·Granted Oct 2, 2018·4 cites·25 claims
- 1083US10103659B2Stepper trajectory driver with numerical controlled oscillators operated at frequency provided by a synchronized clock signalMICROCHIP TECH INC·Filed 2016·Granted Oct 16, 2018·2 cites·16 claims
- 1183US8858003B2Physical force capacitive touch sensors having conductive plane and backlightingPORTER STEPHEN B·Filed 2012·Granted Oct 14, 2014·9 cites·11 claims
- 1282US9430107B2Determining touch locations and forces thereto on a touch and force sensing surfaceMICROCHIP TECH INC·Filed 2014·Granted Aug 30, 2016·7 cites·36 claims
- 1380US8408723B2Backlighting inductive touch buttonsPORTER STEPHEN B·Filed 2010·Granted Apr 2, 2013·6 cites·38 claims
- 1479US11379398B2Virtual ports for connecting core independent peripheralsMICROCHIP TECH INC·Filed 2019·Granted Jul 5, 2022·4 cites·21 claims
- 1577US11658593B2Automated speed ramp control of stepper motorsMICROCHIP TECH INC·Filed 2022·Granted May 23, 2023·0 cites·18 claims
- 1676US10153757B2Three input comparatorMICROCHIP TECH INC·Filed 2016·Granted Dec 11, 2018·3 cites·23 claims
- 1776US9542009B2Knob based gesture systemMICROCHIP TECH INC·Filed 2013·Granted Jan 10, 2017·4 cites·3 claims
- 1876US6462621B1Operational amplifier that is configurable as a progammable gain amplifier of a general purpose amplifierMICROCHIP TECH INC·Filed 2001·Granted Oct 8, 2002·27 cites·30 claims
- 1975US9257980B2Measuring capacitance of a capacitive sensor with a microcontroller having digital outputs for driving a guard ringMICROCHIP TECH INC·Filed 2012·Granted Feb 9, 2016·4 cites·29 claims
- 2075US9252769B2Microcontroller with optimized ADC controllerMICROCHIP TECH INC·Filed 2012·Granted Feb 2, 2016·4 cites·34 claims
- 2174US8723833B2Capacitive touch system with noise immunityCURTIS KEITH E·Filed 2010·Granted May 13, 2014·8 cites·18 claims
- 2273US10283973B2Balanced battery charging systemMICROCHIP TECH INC·Filed 2017·Granted May 7, 2019·2 cites·23 claims
- 2372US8041973B2Interrupt/wake-up of an electronic device in a low power sleep mode when detecting a sensor or frequency source activated frequency changeMICROCHIP TECH INC·Filed 2008·Granted Oct 18, 2011·4 cites·32 claims
- 2471US9071264B2Microcontroller with sequencer driven analog-to-digital converterMICROCHIP TECH INC·Filed 2012·Granted Jun 30, 2015·3 cites·22 claims
- 2570US8065544B2Interrupt/wake-up of an electronic device in a low power sleep mode when detecting a sensor or frequency source activated frequency changeSMIT ZACHARIAS MARTHINUS·Filed 2008·Granted Nov 22, 2011·4 cites·30 claims
- 2668US9904417B2Projected capacitive touch detection with touch force detection using self-capacitance and mutual capacitance detectionMICROCHIP TECH INC·Filed 2014·Granted Feb 27, 2018·2 cites·28 claims
- 2768US8154317B2Integrated circuit device to support inductive sensingSTEEDMAN SEAN·Filed 2009·Granted Apr 10, 2012·6 cites·21 claims
- 2867US8373357B2Modulator module in an integrated circuit deviceMICROCHIP TECH INC·Filed 2010·Granted Feb 12, 2013·2 cites·28 claims
- 2966US11323052B2Automated speed ramp control of stepper motorsMICROCHIP TECH INC·Filed 2019·Granted May 3, 2022·0 cites·9 claims
- 3066US10516356B2Stepper trajectory driver with numerical controlled oscillators operated at frequency provided by a synchronized clock signalMICROCHIP TECH INC·Filed 2018·Granted Dec 24, 2019·0 cites·16 claims
- 3166US9207209B2Method and apparatus for detecting smoke in an ion chamberMICROCHIP TECH INC·Filed 2012·Granted Dec 8, 2015·3 cites·32 claims
- 3265US12450184B2Device and methods for communication between electronic componentsMICROCHIP TECH INC·Filed 2024·Granted Oct 21, 2025·0 cites·19 claims
- 3365US9189940B2Method and apparatus for detecting smoke in an ion chamberMICROCHIP TECH INC·Filed 2012·Granted Nov 17, 2015·2 cites·19 claims
- 3464US9467141B2Measuring capacitance of a capacitive sensor with a microcontroller having an analog output for driving a guard ringMICROCHIP TECH INC·Filed 2012·Granted Oct 11, 2016·2 cites·26 claims
- 3564US2025365551A1Systems and methods for using sound effects to indicate location information for detected objectsMICROCHIP TECH INC·Filed 2025·Application pending·0 cites
- 3663US9785263B2Touch screen stylus with force and/or angle sensing functionalityMICROCHIP TECH INC·Filed 2014·Granted Oct 10, 2017·1 cites·22 claims
- 3763US7555257B2Stock channel and news channelMICROSOFT CORP·Filed 2004·Granted Jun 30, 2009·11 cites·28 claims
- 3863US7498755B2Brushed motor control with voltage boost for reverse and brakingMICROCHIP TECH INC·Filed 2007·Granted Mar 3, 2009·5 cites·19 claims
- 3962US7366546B2Sports channelMICROSOFT CORP·Filed 2004·Granted Apr 29, 2008·7 cites·22 claims
- 4060US2022184433A1Air treatment systemMICROCHIP TECH INC·Filed 2021·Application pending·0 cites
- 4158US9805572B2Differential current measurements to determine ion current in the presence of leakage currentMICROCHIP TECH INC·Filed 2015·Granted Oct 31, 2017·0 cites·10 claims
- 4258US8065546B2Interrupt/wake-up of an electronic device in a low power sleep mode when detecting a sensor or frequency source activated frequency changeSMIT ZACHARIAS MARTHINUS·Filed 2008·Granted Nov 22, 2011·1 cites·36 claims
- 4358US8065545B2Interrupt/wake-up of an electronic device in a low power sleep mode when detecting a sensor or frequency source activated frequency changeSMIT ZACHARIAS MARTHINUS·Filed 2008·Granted Nov 22, 2011·1 cites·33 claims
- 4458US2024311467A1Password dongle for generation and retrieval of secure passwordsMICROCHIP TECH INC·Filed 2024·Application pending·0 cites
- 4557US11402239B2Magnetic-based tracking systemMICROCHIP TECH INC·Filed 2019·Granted Aug 2, 2022·0 cites·20 claims
- 4654US10317528B2Core independent ultrasonic proximity sensing peripheralMICROCHIP TECH INC·Filed 2017·Granted Jun 11, 2019·1 cites·24 claims
- 4753US8378660B2Programmable integrated circuit device to support inductive sensingMICROCHIP TECH INC·Filed 2009·Granted Feb 19, 2013·2 cites·32 claims
- 4853US2009215530A1Virtual eprom simulator apparatusCURTIS KEITH EDWIN·Filed 2009·Application pending·0 cites
- 4951US9569025B2LCD controller with capacitive touch interfaceMICROCHIP TECH INC·Filed 2014·Granted Feb 14, 2017·0 cites·24 claims
- 5051US9437093B2Differential current measurements to determine ION current in the presence of leakage currentMICROCHIP TECH INC·Filed 2012·Granted Sep 6, 2016·0 cites·31 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →