Inventor · disambiguated record
Ion Opris
Also filed as: OPRIS ION · OPRIS ION E · OPRIS ION ELINOR
87 granted patents·6 pending applications·1,580 citations·filing 1994–2025
99Inventor score
Files withNAT SEMICONDUCTOR CORP20OPRIS ION E17FAIRCHILD SEMICONDUCTOR13BROADCOM CORP5FORTEMEDIA INC5
Top patents by PatentIndex Score
93 records- 0196US8742964B2Noise reduction method with chopping for a merged MEMS accelerometer sensorFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Jun 3, 2014·42 cites·22 claims
- 0296US6407622B1Low-voltage bandgap reference circuitFiled 2001·Granted Jun 18, 2002·73 cites·3 claims
- 0395US9094027B2Micro-electro-mechanical-system (MEMS) driverFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Jul 28, 2015·17 cites·23 claims
- 0494US8743082B2Controller architecture for combination touch, handwriting and fingerprint sensorGANAPATHI SRINIVASAN KODAGANALLUR·Filed 2011·Granted Jun 3, 2014·50 cites·26 claims
- 0594US6549065B2Low-voltage bandgap reference circuitFiled 2002·Granted Apr 15, 2003·52 cites·3 claims
- 0693US8754694B2Accurate ninety-degree phase shifterFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Jun 17, 2014·23 cites·24 claims
- 0793US8502581B1Multi-phase digital phase-locked loop device for pixel clock reconstructionOPRIS ION E·Filed 2010·Granted Aug 6, 2013·14 cites·11 claims
- 0893US6130632ADigitally self-calibrating current-mode D/A converterNAT SEMICONDUCTOR CORP·Filed 1998·Granted Oct 10, 2000·104 cites·23 claims
- 0992US7405689B2Predictive analog to digital converters and methods of usingEXAR CORP·Filed 2005·Granted Jul 29, 2008·27 cites·57 claims
- 1092US6642778B2Low-voltage bandgap reference circuitFiled 2003·Granted Nov 4, 2003·44 cites·3 claims
- 1191US11624938B2Unobtrusive eye mounted displayTECTUS CORP·Filed 2021·Granted Apr 11, 2023·2 cites·17 claims
- 1291US10559559B2Integrated protection devices with monitoring of electrical characteristicsVOLTERRA SEMICONDUCTOR CORP·Filed 2017·Granted Feb 11, 2020·4 cites·17 claims
- 1391US9679885B2Integrated protection devices with monitoring of electrical characteristicsLIDSKY DAVID·Filed 2012·Granted Jun 13, 2017·17 cites·53 claims
- 1490US11054328B2Parasitic insensitive sampling in sensorsPSEMI CORP·Filed 2019·Granted Jul 6, 2021·5 cites·24 claims
- 1590US6121824ASeries resistance compensation in translinear circuitsOPRIS ION E·Filed 1998·Granted Sep 19, 2000·51 cites·31 claims
- 1690US5963156ASample and hold circuit and method with common mode differential signal feedback for converting single-ended signals to differential signalsNAT SEMICONDUCTOR CORP·Filed 1997·Granted Oct 5, 1999·74 cites·26 claims
- 1790US5710563APipeline analog to digital converter architecture with reduced mismatch errorNAT SEMICONDUCTOR CORP·Filed 1997·Granted Jan 20, 1998·92 cites·15 claims
- 1889US6426669B1Low voltage bandgap reference circuitNAT SEMICONDUCTOR CORP·Filed 2000·Granted Jul 30, 2002·44 cites·6 claims
- 1988US9444404B2MEMS device front-end charge amplifierFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Sep 13, 2016·13 cites·18 claims
- 2087US11330981B2Method and apparatus for a burst operation pressure sensorPACESETTER INC·Filed 2018·Granted May 17, 2022·7 cites·21 claims
- 2187US9069006B2Self test of MEMS gyroscope with ASICs integrated capacitorsFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Jun 30, 2015·14 cites·20 claims
- 2287US6097326AAlgorithmic analog-to-digital converter with reduced differential non-linearity and methodNAT SEMICONDUCTOR CORP·Filed 1998·Granted Aug 1, 2000·66 cites·20 claims
- 2386US11867584B2Parasitic insensitive sampling in sensorsPSEMI CORP·Filed 2021·Granted Jan 9, 2024·1 cites·19 claims
- 2484US8928409B1Trans-capacitance amplifier with picoAmperes input biasing and large output swingOPRIS ION E·Filed 2013·Granted Jan 6, 2015·9 cites·10 claims
- 2584US5847607AHigh speed fully differential operational amplifier with fast settling time for switched capacitor applicationsNAT SEMICONDUCTOR CORP·Filed 1996·Granted Dec 8, 1998·54 cites·31 claims
- 2683US5838200ADifferential amplifier with switched capacitor common mode feedbackNAT SEMICONDUCTOR CORP·Filed 1997·Granted Nov 17, 1998·52 cites·20 claims
- 2782US11077308B2Highly accurate temperature sensors, and calibrations thereof, for use with implantable medical devicesPACESETTER INC·Filed 2018·Granted Aug 3, 2021·2 cites·23 claims
- 2881US8988146B1Voltage amplifier for capacitive sensing devices using very high impedanceOPRIS ION E·Filed 2013·Granted Mar 24, 2015·7 cites·5 claims
- 2981US5528185ACMOS strobed comparator with programmable hysteresisNAT SEMICONDUCTOR CORP·Filed 1995·Granted Jun 18, 1996·40 cites·19 claims
- 3080US10580349B2Backplane for eye-mounted displaySPY EYE LLC·Filed 2018·Granted Mar 3, 2020·2 cites·22 claims
- 3179US12253426B2Parasitic insensitive sampling in sensorsMURATA MANUFACTURING CO·Filed 2024·Granted Mar 18, 2025·0 cites·20 claims
- 3279US11029535B2Unobtrusive eye mounted displayTECTUS CORP·Filed 2020·Granted Jun 8, 2021·1 cites·7 claims
- 3379US9625272B2MEMS quadrature cancellation and signal demodulationFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Apr 18, 2017·6 cites·3 claims
- 3479US7324561B1Systems and methods for generating an output oscillation signal with low jitterSILICON CLOCKS INC·Filed 2004·Granted Jan 29, 2008·24 cites·28 claims
- 3579US5668549ARadix 2 architecture and calibration technique for pipelined analog to digital convertersNAT SEMICONDUCTOR CORP·Filed 1994·Granted Sep 16, 1997·40 cites·6 claims
- 3678US9488693B2Self test of MEMS accelerometer with ASICS integrated capacitorsFAIRCHILD SEMICONDUCTOR·Filed 2013·Granted Nov 8, 2016·4 cites·18 claims
- 3777US5929796ASelf-calibrating reversible pipeline analog to digital and digital to analog converterNAT SEMICONDUCTOR CORP·Filed 1997·Granted Jul 27, 1999·44 cites·8 claims
- 3876US6801151B1Method and apparatus for analog-to-digital pipeline conversionFiled 2003·Granted Oct 5, 2004·21 cites·11 claims
- 3976US5889486ASplit capacitor array for digital-to-analog signal conversionNAT SEMICONDUCTOR CORP·Filed 1997·Granted Mar 30, 1999·41 cites·12 claims
- 4076US2025164334A1Parasitic Insensitive Sampling in SensorsMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 4175US7609185B2Methods of using predictive analog to digital convertersEXAR CORP·Filed 2008·Granted Oct 27, 2009·8 cites·15 claims
- 4275US5541602AMulti-phased pipeland analog to digital converterNAT SEMICONDUCTOR CORP·Filed 1995·Granted Jul 30, 1996·40 cites·23 claims
- 4373US9644963B2Apparatus and methods for PLL-based gyroscope gain control, quadrature cancellation and demodulationFAIRCHILD SEMICONDUCTOR·Filed 2014·Granted May 9, 2017·3 cites·17 claims
- 4473US8064622B1Self-biased amplifier device for an electrecret microphoneOPRIS ION E·Filed 2008·Granted Nov 22, 2011·5 cites·12 claims
- 4573US6060912AHigh speed strobed comparator circuit having a latch circuitNAT SEMICONDUCTOR CORP·Filed 1997·Granted May 9, 2000·35 cites·26 claims
- 4672US12453472B2Method and apparatus for a burst operation pressure sensorPACESETTER INC·Filed 2021·Granted Oct 28, 2025·0 cites·21 claims
- 4772US6255865B1Track-and-hold circuitNANOPOWER TECHNOLOGIES INC·Filed 1999·Granted Jul 3, 2001·25 cites·22 claims
- 4872US5861828AApparatus and method for monotonic digital calibration of a pipeline analog-to-digital converterNAT SEMICONDUCTOR CORP·Filed 1997·Granted Jan 19, 1999·34 cites·14 claims
- 4971US5973897AElectrostatic discharge (ESD) protection circuit with reduced node capacitanceNAT SEMICONDUCTOR CORP·Filed 1997·Granted Oct 26, 1999·32 cites·20 claims
- 5070US6225850B1Series resistance compensation in translinear circuitsFiled 2000·Granted May 1, 2001·15 cites·8 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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