Inventor · disambiguated record
Christoph H. Krah
Also filed as: KRAH CHRISTOPH · KRAH CHRISTOPH H · KRAH CHRISTOPH HORST
187 granted patents·15 pending applications·6,222 citations·filing 1998–2025
99Inventor score
Files withAPPLE INC136KRAH CHRISTOPH HORST23HOTELLING STEVE PORTER10KRAH CHRISTOPH H9APPLE COMPUTER7
Top patents by PatentIndex Score
202 records- 0199US9575610B2Touch screen liquid crystal displayAPPLE INC·Filed 2015·Granted Feb 21, 2017·31 cites·28 claims
- 0299US8654083B2Touch screen liquid crystal displayHOTELLING STEVE PORTER·Filed 2007·Granted Feb 18, 2014·100 cites·33 claims
- 0399US8279180B2Multipoint touch surface controllerHOTELLING STEVEN P·Filed 2006·Granted Oct 2, 2012·1.1k cites·28 claims
- 0499US8243027B2Touch screen liquid crystal displayHOTELLING STEVE PORTER·Filed 2007·Granted Aug 14, 2012·334 cites·85 claims
- 0599US8031094B2Touch controller with improved analog front endAPPLE INC·Filed 2009·Granted Oct 4, 2011·894 cites·28 claims
- 0699US8018579B1Three-dimensional imaging and display systemAPPLE INC·Filed 2005·Granted Sep 13, 2011·628 cites·40 claims
- 0799US7986193B2Noise reduction within an electronic device using automatic frequency modulationAPPLE INC·Filed 2007·Granted Jul 26, 2011·93 cites·48 claims
- 0899US6583676B2Proximity/touch detector and calibration circuitAPPLE COMPUTER·Filed 2001·Granted Jun 24, 2003·220 cites·9 claims
- 0998US11353994B1Electronic devices having moisture-insensitive optical touch sensorsAPPLE INC·Filed 2021·Granted Jun 7, 2022·5 cites·24 claims
- 1098US10191576B2Touch screen liquid crystal displayAPPLE INC·Filed 2017·Granted Jan 29, 2019·17 cites·20 claims
- 1198US9690408B1Electronic device with an integrated touch sensing and force sensing deviceAPPLE INC·Filed 2014·Granted Jun 27, 2017·83 cites·25 claims
- 1298US9268429B2Integrated display and touch screenAPPLE INC·Filed 2013·Granted Feb 23, 2016·30 cites·4 claims
- 1398US8552989B2Integrated display and touch screenHOTELLING STEVE PORTER·Filed 2007·Granted Oct 8, 2013·129 cites·71 claims
- 1498US8542208B2Multi-touch auto scanningKRAH CHRISTOPH HORST·Filed 2012·Granted Sep 24, 2013·47 cites·18 claims
- 1598US8493331B2Touch detection using multiple simultaneous frequenciesKRAH CHRISTOPH HORST·Filed 2007·Granted Jul 23, 2013·78 cites·31 claims
- 1698US8432371B2Touch screen liquid crystal displayHOTELLING STEVE PORTER·Filed 2012·Granted Apr 30, 2013·63 cites·10 claims
- 1798US8259078B2Touch screen liquid crystal displayHOTELLING STEVE PORTER·Filed 2007·Granted Sep 4, 2012·135 cites·37 claims
- 1898US8094128B2Channel scan logicVU MINH-DIEU THI·Filed 2007·Granted Jan 10, 2012·82 cites·19 claims
- 1998US7710397B2Mouse with improved input mechanisms using touch sensorsAPPLE INC·Filed 2005·Granted May 4, 2010·135 cites·22 claims
- 2097US11106308B2Touch detection using multiple simultaneous stimulation signalsAPPLE INC·Filed 2020·Granted Aug 31, 2021·4 cites·17 claims
- 2197US11079878B1Noise mitigation touch sensing circuitAPPLE INC·Filed 2020·Granted Aug 3, 2021·13 cites·20 claims
- 2297US10541280B1OLED based touch sensing and user identificationAPPLE INC·Filed 2017·Granted Jan 21, 2020·27 cites·22 claims
- 2397US10120520B2Touch sensor panel with multi-power domain chip configurationAPPLE INC·Filed 2017·Granted Nov 6, 2018·13 cites·26 claims
- 2497US9430087B2Touch detection using multiple simultaneous stimulation signalsAPPLE INC·Filed 2015·Granted Aug 30, 2016·16 cites·18 claims
- 2597US9244561B2Touch screen liquid crystal displayAPPLE INC·Filed 2014·Granted Jan 26, 2016·40 cites·34 claims
- 2697US9092086B2Touch detection using multiple simultaneous frequenciesAPPLE INC·Filed 2014·Granted Jul 28, 2015·39 cites·30 claims
- 2797US8988384B2Force sensor interface for touch controllerKRAH CHRISTOPH HORST·Filed 2011·Granted Mar 24, 2015·69 cites·24 claims
- 2897US8451244B2Segmented VcomHOTELLING STEVE PORTER·Filed 2011·Granted May 28, 2013·46 cites·26 claims
- 2997US8390588B2Channel scan logicVU MINH-DIEU THI·Filed 2010·Granted Mar 5, 2013·47 cites·11 claims
- 3097US8125456B2Multi-touch auto scanningKRAH CHRISTOPH HORST·Filed 2007·Granted Feb 28, 2012·51 cites·23 claims
- 3197US8120591B2Detection of low noise frequencies for multiple frequency sensor panel stimulationKRAH CHRISTOPH HORST·Filed 2010·Granted Feb 21, 2012·36 cites·14 claims
- 3297US8077147B2Mouse with optical sensing surfaceKRAH CHRISTOPH H·Filed 2006·Granted Dec 13, 2011·79 cites·32 claims
- 3397US7843449B2Three-dimensional display systemAPPLE INC·Filed 2006·Granted Nov 30, 2010·51 cites·54 claims
- 3496US11675459B1System and method of power management for touch and display supplies in multiple power domainsAPPLE INC·Filed 2022·Granted Jun 13, 2023·7 cites·20 claims
- 3596US10747355B2Touch detection using multiple simultaneous stimulation signalsAPPLE INC·Filed 2018·Granted Aug 18, 2020·9 cites·25 claims
- 3696US9990084B2Touch detection using multiple simultaneous stimulation signalsAPPLE INC·Filed 2016·Granted Jun 5, 2018·11 cites·19 claims
- 3796US9582105B2Input device for touch sensitive devicesAPPLE INC·Filed 2016·Granted Feb 28, 2017·15 cites·25 claims
- 3896US9483141B2Single-chip multi-stimulus sensor controllerAPPLE INC·Filed 2015·Granted Nov 1, 2016·13 cites·20 claims
- 3996US9310923B2Input device for touch sensitive devicesKRAH CHRISTOPH H·Filed 2012·Granted Apr 12, 2016·31 cites·19 claims
- 4096US8791920B2Phase compensation for multi-stimulus controllerKRAH CHRISTOPH H·Filed 2012·Granted Jul 29, 2014·19 cites·9 claims
- 4196US8754867B2Touch detection using multiple simultaneous frequenciesAPPLE INC·Filed 2013·Granted Jun 17, 2014·23 cites·22 claims
- 4296US8310472B2Channel scan logicVU MINH-DIEU THI·Filed 2010·Granted Nov 13, 2012·25 cites·11 claims
- 4396US8232970B2Scan sequence generatorKRAH CHRISTOPH HORST·Filed 2007·Granted Jul 31, 2012·36 cites·57 claims
- 4496US7876311B2Detection of low noise frequencies for multiple frequency sensor panel stimulationAPPLE INC·Filed 2007·Granted Jan 25, 2011·47 cites·14 claims
- 4596US7570485B2Camera latchAPPLE INC·Filed 2006·Granted Aug 4, 2009·53 cites·26 claims
- 4695US12159007B1Methodology and application of sampled low noise reference voltageAPPLE INC·Filed 2022·Granted Dec 3, 2024·5 cites·20 claims
- 4795US11199933B2Common mode noise mitigation for integrated touch screensAPPLE INC·Filed 2020·Granted Dec 14, 2021·3 cites·19 claims
- 4895US11175762B2Touch screen liquid crystal displayAPPLE INC·Filed 2019·Granted Nov 16, 2021·4 cites·17 claims
- 4995US10976846B2Touch screen liquid crystal displayAPPLE INC·Filed 2018·Granted Apr 13, 2021·4 cites·20 claims
- 5095US10459587B2Touch sensor panel with multi-power domain chip configurationAPPLE INC·Filed 2018·Granted Oct 29, 2019·11 cites·19 claims
Showing the top 50 of 202 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →