Inventor · disambiguated record
Xiaohong Quan
Also filed as: QUAN XIAOHONG
21 granted patents·2 pending applications·142 citations·filing 2004–2023
94Inventor score
Top patents by PatentIndex Score
23 records- 0191US7750837B2Adaptive bias current generation for switched-capacitor circuitsQUALCOMM INC·Filed 2008·Granted Jul 6, 2010·23 cites·29 claims
- 0287US9014381B2Switch techniques for load sensingQUALCOMM INC·Filed 2012·Granted Apr 21, 2015·10 cites·20 claims
- 0385US8390355B2Delay cell for clock signalsQUAN XIAOHONG·Filed 2011·Granted Mar 5, 2013·8 cites·45 claims
- 0484US8538362B2Squelch detection circuit and methodSRIVASTAVA ANKIT·Filed 2010·Granted Sep 17, 2013·8 cites·46 claims
- 0583US8564346B2Non-overlapping clock generationQUAN XIAOHONG·Filed 2012·Granted Oct 22, 2013·6 cites·19 claims
- 0681US7724092B2Dual-path current amplifierQUALCOMM INC·Filed 2007·Granted May 25, 2010·11 cites·34 claims
- 0778US7791520B2Low power, low noise digital-to-analog converter reference circuitQUALCOMM INC·Filed 2008·Granted Sep 7, 2010·10 cites·25 claims
- 0877US9602433B2Systems and methods for sharing a serial communication port between a plurality of communication channelsQUALCOMM INC·Filed 2013·Granted Mar 21, 2017·4 cites·42 claims
- 0977US8963634B2Load current sensingSRIVASTAVA ANKIT·Filed 2012·Granted Feb 24, 2015·6 cites·18 claims
- 1077US7609097B2Driver circuit and a method for matching the output impedance of a driver circuit with a load impedanceAGERE SYSTEMS INC·Filed 2004·Granted Oct 27, 2009·19 cites·4 claims
- 1176US7176743B2Driver circuit capable of providing rise and fall transitions that step smoothly in the transition regionsAGERE SYSTEMS INC·Filed 2005·Granted Feb 13, 2007·9 cites·12 claims
- 1273US8111088B2Level shifter with balanced duty cycleSRIVASTAVA ANKIT·Filed 2010·Granted Feb 7, 2012·4 cites·28 claims
- 1373US7768433B2Dynamic slew rate control based on a feedback signalQUALCOMM INC·Filed 2008·Granted Aug 3, 2010·8 cites·29 claims
- 1471US8576523B2Charge pump electrostatic discharge protectionSRIVASTAVA ANKIT·Filed 2011·Granted Nov 5, 2013·3 cites·24 claims
- 1567US12348606B2Clock frequency deviation detector with closed-loop calibrationQUALCOMM INC·Filed 2023·Granted Jul 1, 2025·0 cites·29 claims
- 1667US8143957B2Current-mode gain-splitting dual-path VCOQUAN XIAOHONG·Filed 2006·Granted Mar 27, 2012·6 cites·25 claims
- 1764US8680891B2High voltage tolerant differential receiverSRIVASTAVA ANKIT·Filed 2011·Granted Mar 25, 2014·2 cites·20 claims
- 1864US8446204B2High voltage tolerant receiverSRIVASTAVA ANKIT·Filed 2011·Granted May 21, 2013·2 cites·19 claims
- 1952US8169243B2Techniques for non-overlapping clock generationQUAN XIAOHONG·Filed 2009·Granted May 1, 2012·2 cites·14 claims
- 2042US8140026B2All-digital selectable duty cycle generationQUAN XIAOHONG·Filed 2009·Granted Mar 20, 2012·0 cites·26 claims
- 2141US8076963B2Delay-locked loop having a delay independent of input signal duty cycle variationHUANG XUHAO·Filed 2009·Granted Dec 13, 2011·1 cites·22 claims
- 2239US2014103897A1Glitch suppression in dc-to-dc power conversionQUALCOMM INC·Filed 2012·Application pending·0 cites
- 2337US2012235730A1Charge pump surge current reductionQUAN XIAOHONG·Filed 2011·Application pending·0 cites
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