Inventor · disambiguated record
Lionel Portmann
Also filed as: PORTMANN LIONEL · PORTMANN LIONEL NICOLAS
10 granted patents·3 pending applications·72 citations·filing 2005–2024
88Inventor score
Files withMICROCHIP TECH INC7ELAN MICROELECTRONICS CORP2MICROCHIP TOUCH SOLUTIONS LTD2INNOVATIVE SILICON SA1PORTMANN LIONEL1
Top patents by PatentIndex Score
13 records- 0188US10444892B2Capacitance measurement device with reduced noiseMICROCHIP TECH INC·Filed 2016·Granted Oct 15, 2019·8 cites·28 claims
- 0286US6980461B2Reference current generator, and method of programming, adjusting and/or operating sameINNOVATIVE SILICON SA·Filed 2005·Granted Dec 27, 2005·20 cites·23 claims
- 0385US10151608B2System and method for reducing noise in a sensor systemMICROCHIP TECH INC·Filed 2015·Granted Dec 11, 2018·7 cites·35 claims
- 0479US8471570B2Device for quantifying an electric unbalance and touch detection system incorporating itPORTMANN LIONEL·Filed 2009·Granted Jun 25, 2013·16 cites·25 claims
- 0579US7358812B2Class AB operational bufferELAN MICROELECTRONICS CORP·Filed 2005·Granted Apr 15, 2008·12 cites·11 claims
- 0678US9671920B2Compensation of a target object coupling to feeding lines in capacitive sensing systemMICROCHIP TECH INC·Filed 2015·Granted Jun 6, 2017·3 cites·17 claims
- 0774US10345985B2Compensation of a target objects coupling to feeding lines in capacitive sensing systemMICROCHIP TECH INC·Filed 2017·Granted Jul 9, 2019·2 cites·20 claims
- 0873US11221708B2Digital-to-analog controller-referenced touch sensing system, and related systems, methods, and devicesMICROCHIP TECH INC·Filed 2019·Granted Jan 11, 2022·1 cites·28 claims
- 0968US12147626B2Digital-to-analog controller-referenced touch sensing system, and related systems, methods, and devicesMICROCHIP TECH INC·Filed 2021·Granted Nov 19, 2024·0 cites·22 claims
- 1058US2025274150A1Assigning transmit signals for superimposed quadrature receive signalMICROCHIP TECH INC·Filed 2024·Application pending·0 cites
- 1154US7388787B2Reference current generatorELAN MICROELECTRONICS CORP·Filed 2006·Granted Jun 17, 2008·3 cites·3 claims
- 1252US2024311475A1Touch screen overlay attack preventionMICROCHIP TOUCH SOLUTIONS LTD·Filed 2024·Application pending·0 cites
- 1351US2025271963A1Measuring phasors of phase quadrature signals for capacitive sensingMICROCHIP TOUCH SOLUTIONS LTD·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →