Inventor · disambiguated record
Qian Fang
Also filed as: FANG QIAN · FANG QIAN KE
30 granted patents·7 pending applications·347 citations·filing 2008–2024
97Inventor score
Top patents by PatentIndex Score
37 records- 0197US11540371B2Systems and methods for controlling power factors of LED lighting systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2021·Granted Dec 27, 2022·10 cites·22 claims
- 0297US9960674B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2016·Granted May 1, 2018·19 cites·37 claims
- 0397US9584005B2Systems and methods for regulating output currents of power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2015·Granted Feb 28, 2017·25 cites·29 claims
- 0496US10003268B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2015·Granted Jun 19, 2018·22 cites·37 claims
- 0595US11997772B2Systems and methods for controlling power factors of led lighting systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2022·Granted May 28, 2024·4 cites·19 claims
- 0695US10340795B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2018·Granted Jul 2, 2019·11 cites·11 claims
- 0795US10270334B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2015·Granted Apr 23, 2019·11 cites·14 claims
- 0894US10680525B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2019·Granted Jun 9, 2020·7 cites·18 claims
- 0994US10170999B2Systems and methods for regulating output currents of power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2017·Granted Jan 1, 2019·10 cites·30 claims
- 1094US8081802B2Method for determining permeability of rock formation using computer tomograpic images thereofDVORKIN JACK·Filed 2008·Granted Dec 20, 2011·51 cites·10 claims
- 1193US8155377B2Method for determining rock physics relationships using computer tomographic images thereofDVORKIN JACK·Filed 2008·Granted Apr 10, 2012·36 cites·11 claims
- 1292US8081796B2Method for determining properties of fractured rock formations using computer tomograpic images thereofDERZHI NAUM·Filed 2008·Granted Dec 20, 2011·32 cites·12 claims
- 1391US12112001B1Preventing false activations based on don/doff detection for assistant systemsMETA PLATFORMS INC·Filed 2023·Granted Oct 8, 2024·3 cites·18 claims
- 1491US10811965B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2019·Granted Oct 20, 2020·4 cites·16 claims
- 1591US10432096B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2017·Granted Oct 1, 2019·20 cites·17 claims
- 1691US8170799B2Method for determining in-situ relationships between physical properties of a porous medium from a sample thereofDVORKIN JACK·Filed 2008·Granted May 1, 2012·39 cites·18 claims
- 1790US9047513B2Method for improving the accuracy of rock property values derived from digital imagesINGRAIN INC·Filed 2013·Granted Jun 2, 2015·14 cites·41 claims
- 1889US12027960B2Systems and methods for resistance adjustment related to switch-mode power convertersON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2022·Granted Jul 2, 2024·1 cites·26 claims
- 1989US10686373B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2017·Granted Jun 16, 2020·4 cites·19 claims
- 2083US12301092B2Systems and methods for resistance adjustment related to switch-mode power convertersON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Granted May 13, 2025·0 cites·26 claims
- 2183US10320300B2Systems and methods for reducing switching loss in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2016·Granted Jun 11, 2019·4 cites·37 claims
- 2282US8331626B2Method for estimating material properties of porous media using computer tomographic images thereofWOJCIK ZBIGNIEW M·Filed 2008·Granted Dec 11, 2012·17 cites·20 claims
- 2381US12457670B2Systems and methods for controlling power factors of LED lighting systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Granted Oct 28, 2025·0 cites·30 claims
- 2475US2024322695A1Switch-mode power converters with demagnetization detection and methods thereofON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Application pending·0 cites
- 2575US2024313657A1Switch-mode power converters with control of turning on and off one transistor before turning on another transistorON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Application pending·0 cites
- 2674US12362650B2Switch-mode power converters with control of turning off transistors for zero-voltage switchingON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2023·Granted Jul 15, 2025·0 cites·30 claims
- 2774US9847728B2Systems and methods for regulating power conversion systems operating in quasi-resonant modeON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2015·Granted Dec 19, 2017·2 cites·39 claims
- 2864US11652410B2Systems and methods for output current regulation in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2020·Granted May 16, 2023·0 cites·20 claims
- 2963US9396547B2Output display for segmented digital volume representing porous mediaINGRAIN INC·Filed 2015·Granted Jul 19, 2016·1 cites·4 claims
- 3061US2024053245A1Determining relative permeability in a rock sampleHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 3158US12323067B2Control systems and methods for turning off transistors associated with auxiliary windings and turning on transistors associated with primary windingsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2022·Granted Jun 3, 2025·0 cites·30 claims
- 3258US2024333164A1Switch-mode power converters in discontinuous conduction mode and methods thereofON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Application pending·0 cites
- 3357US11025170B2Systems and methods for reducing switching loss in power conversion systemsON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2019·Granted Jun 1, 2021·0 cites·26 claims
- 3456US10291135B2Systems and methods for regulating power conversion systems operating in quasi-resonant modeON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2017·Granted May 14, 2019·0 cites·39 claims
- 3553US2024333125A1Switch-mode power converters with peak value determination for magnetization currents in discontinuous conduction mode and methods thereofON BRIGHT ELECTRONICS SHANGHAI CO LTD·Filed 2024·Application pending·0 cites
- 3653US2023222358A1Artificial intelligence operations adaptive multi-granularity event groupingIBM·Filed 2022·Application pending·0 cites
- 3753US2023186190A1Ticket embedding based on multi-dimensional it dataIBM·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Qian Fang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →