Inventor · disambiguated record
Weihong Qiu
Also filed as: QIU WEIHONG
72 granted patents·13 pending applications·875 citations·filing 2002–2025
99Inventor score
Top patents by PatentIndex Score
85 records- 0198US7782031B2Power supply controlINTERSIL INC·Filed 2008·Granted Aug 24, 2010·219 cites·32 claims
- 0297US8330435B2Hysteretic controlled buck-boost converterQIU WEIHONG·Filed 2010·Granted Dec 11, 2012·26 cites·18 claims
- 0397US8072200B1AC and DC temperature compensation scheme for DCR current senseQIU WEIHONG·Filed 2008·Granted Dec 6, 2011·60 cites·21 claims
- 0495US10644531B1Adaptable power rectifier for wireless charger systemAPPLE INC·Filed 2017·Granted May 5, 2020·16 cites·20 claims
- 0594US12100968B2Wireless power mode switchingAPPLE INC·Filed 2021·Granted Sep 24, 2024·4 cites·20 claims
- 0694US11050307B1Wireless power system with device movement detectionAPPLE INC·Filed 2020·Granted Jun 29, 2021·4 cites·22 claims
- 0794US10483786B2Wireless charging systems with multicoil receiversAPPLE INC·Filed 2017·Granted Nov 19, 2019·6 cites·12 claims
- 0894US8080987B1Method and apparatus for efficient transitioning between different operating modes of a regulatorQIU WEIHONG·Filed 2007·Granted Dec 20, 2011·52 cites·20 claims
- 0993US8299770B2Threshold voltage monitoring and control in synchronous power convertersQIU WEIHONG·Filed 2011·Granted Oct 30, 2012·13 cites·20 claims
- 1092US7471133B1Modulator circuit with linear and non-linear controlINTERSIL INC·Filed 2007·Granted Dec 30, 2008·21 cites·11 claims
- 1191US12212249B1Two-step inverter for wireless power applicationsAPPLE INC·Filed 2022·Granted Jan 28, 2025·1 cites·28 claims
- 1291US11996767B1Adaptive timing for high frequency invertersAPPLE INC·Filed 2022·Granted May 28, 2024·2 cites·22 claims
- 1390US10811913B2Wireless charging system with multiple communications modesAPPLE INC·Filed 2018·Granted Oct 20, 2020·8 cites·28 claims
- 1490US7453246B2Adaptive PWM pulse positioning for fast transient responseINTERSIL INC·Filed 2006·Granted Nov 18, 2008·32 cites·20 claims
- 1590US7453250B2PWM controller with dual-edge modulation using dual rampsINTERSIL INC·Filed 2005·Granted Nov 18, 2008·35 cites·24 claims
- 1689US11710984B2Wireless charging system with simultaneous wireless power transfer at different frequenciesAPPLE INC·Filed 2021·Granted Jul 25, 2023·2 cites·16 claims
- 1789US10505401B2Wireless charging system with receiver locating circuitry and foreign object detectionAPPLE INC·Filed 2017·Granted Dec 10, 2019·7 cites·19 claims
- 1889US8188721B2Active pulse positioning modulatorISHAM ROBERT H·Filed 2009·Granted May 29, 2012·18 cites·22 claims
- 1989US7215102B2Semi-clockless, cascaded, current-mode power regulator having high noise immunity and arbitrary phase countINTERSIL INC·Filed 2005·Granted May 8, 2007·30 cites·20 claims
- 2088US12149093B2Device coupling for wireless chargingAPPLE INC·Filed 2020·Granted Nov 19, 2024·2 cites·23 claims
- 2188USRE46419EActive pulse positioning modulatorINTERSIL INC·Filed 2014·Granted May 30, 2017·7 cites·26 claims
- 2288US8232782B2System and method for equalizing the small signal response of variable phase voltage regulatorsHOUSTON M JASON·Filed 2010·Granted Jul 31, 2012·14 cites·22 claims
- 2388US6636430B1Energy transfer concept in AC/DC switch mode power supply with power factor correctionUNIV CENTRAL FLORIDA·Filed 2002·Granted Oct 21, 2003·30 cites·20 claims
- 2487US11159054B2Wireless power transmitting devicesAPPLE INC·Filed 2019·Granted Oct 26, 2021·5 cites·22 claims
- 2587US11121573B1Low-profile power converterAPPLE INC·Filed 2017·Granted Sep 14, 2021·6 cites·19 claims
- 2687US10770921B2Wireless charging system with start-up negotiationAPPLE INC·Filed 2018·Granted Sep 8, 2020·5 cites·20 claims
- 2786US11996707B2Wireless power transfer power control techniquesAPPLE INC·Filed 2022·Granted May 28, 2024·1 cites·18 claims
- 2886US8558523B2System and method of intermittent diode braking for multiple phase voltage regulatorQIU WEIHONG·Filed 2011·Granted Oct 15, 2013·9 cites·25 claims
- 2985US10734840B2Shared power converter for a wireless transmitter deviceAPPLE INC·Filed 2017·Granted Aug 4, 2020·4 cites·25 claims
- 3085US7906948B2Threshold voltage monitoring and control in synchronous power convertersINTERSIL INC·Filed 2008·Granted Mar 15, 2011·18 cites·25 claims
- 3184US8085017B2Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulatorsQIU WEIHONG·Filed 2010·Granted Dec 27, 2011·6 cites·20 claims
- 3284US7868600B2Adaptive PWM pulse positioning for fast transient responseINTERSIL INC·Filed 2008·Granted Jan 11, 2011·20 cites·20 claims
- 3382US9564772B2Charging system with adaptive power managementQIU WEIHONG·Filed 2012·Granted Feb 7, 2017·10 cites·20 claims
- 3481US10734847B2Wireless power system with coupling-coefficient-based coil selectionAPPLE INC·Filed 2018·Granted Aug 4, 2020·3 cites·22 claims
- 3581US10523063B2Common mode noise compensation in wireless power systemsAPPLE INC·Filed 2017·Granted Dec 31, 2019·3 cites·20 claims
- 3681US7812581B2Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulatorsINTERSIL INC·Filed 2007·Granted Oct 12, 2010·14 cites·17 claims
- 3781US7489121B2Compensation offset adjustment scheme for fast reference voltage transitioningINTERSIL INC·Filed 2006·Granted Feb 10, 2009·17 cites·20 claims
- 3881US2025357798A1Wireless power systems with shared inductive-loss scaling factorsAPPLE INC·Filed 2025·Application pending·0 cites
- 3980US10978899B2Wireless charging system with duty cycle controlAPPLE INC·Filed 2018·Granted Apr 13, 2021·3 cites·22 claims
- 4080USRE44587EDC/DC converter with adaptive drive voltage supplyIntersil Americas LLC·Filed 2012·Granted Nov 12, 2013·4 cites·19 claims
- 4180US8400134B2Apparatus and methodology for maximum power point tracking for a solar panelMOUSSAOUI ZAKI·Filed 2010·Granted Mar 19, 2013·5 cites·23 claims
- 4278US8704500B2Sensing a phase-path current in a multiphase power supply such as a coupled-inductor power supplyXIAO SHANGYANG·Filed 2008·Granted Apr 22, 2014·15 cites·29 claims
- 4378US8373400B2System and method for smoothing mode transitions in a voltage supplyINTERSIL INC·Filed 2010·Granted Feb 12, 2013·5 cites·30 claims
- 4478US8233299B2Dynamic phase timing control for multiple regulators or phasesAHMAD FAISAL·Filed 2009·Granted Jul 31, 2012·17 cites·18 claims
- 4578US7800352B2Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methodsINTERSIL INC·Filed 2007·Granted Sep 21, 2010·13 cites·16 claims
- 4678US6819575B1AC/DC switch mode power supply with power factor correction using direct energy transfer conceptUNIV CENTRAL FLORIDA·Filed 2002·Granted Nov 16, 2004·15 cites·17 claims
- 4778US2025015636A1Device coupling for wireless chargingAPPLE INC·Filed 2024·Application pending·0 cites
- 4877US7615940B2Gate driver topology for maximum load efficiencyINTERSIL INC·Filed 2006·Granted Nov 10, 2009·7 cites·16 claims
- 4977US2024405609A1Wireless Power Mode SwitchingAPPLE INC·Filed 2024·Application pending·0 cites
- 5075US8723500B2System and method for preventing controller induced pulse skipping at low duty cycle operationsHOUSTON MICHAEL JASON·Filed 2011·Granted May 13, 2014·5 cites·19 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →