Inventor · disambiguated record
Junfeng Xu
Also filed as: XU JUNFENG
43 granted patents·5 pending applications·87 citations·filing 2006–2024
96Inventor score
Files withJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD13FUTURUS TECH CO LTD11IBM6CRRC ZHUZHOU INST CO LTD3XU JUNFENG3
Top patents by PatentIndex Score
48 records- 0197US10868226B2LED light bulb having filament with conductor pratly overlapping with LED chipJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Dec 15, 2020·15 cites·20 claims
- 0291US10899181B2Tire puncture detection and alertIBM·Filed 2019·Granted Jan 26, 2021·5 cites·18 claims
- 0391US7874512B2System and method for a flyable and roadable vehicleXU JUNFENG·Filed 2007·Granted Jan 25, 2011·39 cites·45 claims
- 0490US9837946B2Method and device for acquiring rotor position based on permanent magnet synchronous drive systemCRRC ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2015·Granted Dec 5, 2017·7 cites·9 claims
- 0588US10894247B2Fluidized-bed catalyst suitable for the production of halogenated aromatic nitriles, its preparation and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jan 19, 2021·4 cites·23 claims
- 0686US10790420B2Light bulb with a symmetrical LED filamentJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Sep 29, 2020·2 cites·20 claims
- 0782US11796806B2Head-up display device and motor vehicleFUTURUS TECH CO LTD·Filed 2020·Granted Oct 24, 2023·2 cites·20 claims
- 0878US11630250B2System for use in imaging in airFUTURUS TECH CO LTD·Filed 2017·Granted Apr 18, 2023·2 cites·20 claims
- 0972US10717421B2Braking force distribution method and system of multiple train unitsCRRC ZHUZHOU INST CO LTD·Filed 2016·Granted Jul 21, 2020·2 cites·4 claims
- 1070US10033313B2Control method for restarting permanent magnet synchronous motor with speed, device and system thereofCSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2013·Granted Jul 24, 2018·4 cites·7 claims
- 1169US10684492B2System for imaging in the airFUTURUS TECH CO LTD·Filed 2017·Granted Jun 16, 2020·1 cites·21 claims
- 1268US11121293B2LED light bulb having filament with tube light conversion layerJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Sep 14, 2021·0 cites·19 claims
- 1368US10978624B2LED light bulb having filament with conductor partly overlapping with LED chipJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Apr 13, 2021·0 cites·20 claims
- 1468US10873012B2LED light bulb having filament with layered light conversion layerJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Dec 22, 2020·0 cites·20 claims
- 1568US10868227B2Large angle illuminated LED filament light bulbJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Dec 15, 2020·0 cites·20 claims
- 1668US10804446B2LED light bulb with spectral distribution of natural lightJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Oct 13, 2020·0 cites·20 claims
- 1768US10804445B2Uniformly illuminated LED filament light bulbJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Oct 13, 2020·0 cites·20 claims
- 1868US10797208B2LED light bulb with conductive sections and exposed wiresJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Oct 6, 2020·0 cites·20 claims
- 1967US11121292B2LED light bulb having filament with being partially coated by light conversion layerJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Sep 14, 2021·0 cites·19 claims
- 2067US10944028B2LED light bulb having filament with conductive section providing with rivet structureJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Mar 9, 2021·0 cites·20 claims
- 2167US10868225B2LED light bulb having filament with lighting face of LED chip located in the lower surface of top layerJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Dec 15, 2020·0 cites·20 claims
- 2267US10205373B2Self-alignment protection device for permanent-magnet couplingJIANGSU MAGNET VALLEY TECH CO LTD CN·Filed 2015·Granted Feb 12, 2019·2 cites·10 claims
- 2363US11397323B2Displaying system, method, and vehicleFUTURUS TECH CO LTD·Filed 2020·Granted Jul 26, 2022·0 cites·20 claims
- 2462US8712338B2Method and system for implementing power detectionLIU DONG·Filed 2010·Granted Apr 29, 2014·2 cites·9 claims
- 2560US11845164B2Impact driver having inductor and internal massIBM·Filed 2021·Granted Dec 19, 2023·0 cites·20 claims
- 2659US12313227B2LED filament and LED light bulbZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2024·Granted May 27, 2025·0 cites·23 claims
- 2759US10656435B2System for imaging in the airFUTURUS TECH CO LTD·Filed 2018·Granted May 19, 2020·0 cites·23 claims
- 2857US2021345692A1Trousers and skirts that are easy to don and removeXU JUNFENG·Filed 2018·Application pending·0 cites
- 2955US12007077B2LED filament and LED light bulbZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted Jun 11, 2024·0 cites·11 claims
- 3054US10780560B2Installation of hardware components in a mounting surface using a specificationIBM·Filed 2018·Granted Sep 22, 2020·0 cites·20 claims
- 3154US10725293B2Displaying system, method, and vehicle including such a displaying systemFUTURUS TECH CO LTD·Filed 2017·Granted Jul 28, 2020·0 cites·20 claims
- 3253US11161253B2Retrieving magnetically attracted objects from substantially inaccessible cavitiesIBM·Filed 2019·Granted Nov 2, 2021·0 cites·20 claims
- 3352US2025236800A1Coupling system of biomass gasification and waste incinerationHUADIAN ELECTRIC POWER RES INST CO LTD·Filed 2023·Application pending·0 cites
- 3449US10790419B2LED filament and LED light bulbJIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD·Filed 2018·Granted Sep 29, 2020·0 cites·20 claims
- 3545US2025067978A1Display device, head-up display and transportion equipmentFUTURUS TECH CO LTD·Filed 2021·Application pending·0 cites
- 3643US12298536B2Head-up display system, active light-emitting image source, head-up display and motor vehicleFUTURUS TECH CO LTD·Filed 2020·Granted May 13, 2025·0 cites·14 claims
- 3743US11860360B2Display apparatus, head-up display and motor vehicleFUTURUS TECH CO LTD·Filed 2020·Granted Jan 2, 2024·0 cites·24 claims
- 3842US12320974B2Light control apparatus, passive light-emitting image source and head-up display systemFUTURUS TECH CO LTD·Filed 2020·Granted Jun 3, 2025·0 cites·17 claims
- 3942US2023046484A1Head up display system and control method thereof, and vehicleFUTURUS TECH CO LTD·Filed 2021·Application pending·0 cites
- 4041US10498211B2Winding-type permanent magnet coupling transmission deviceJIANGSU MAGNET VALLEY TECH CO LTD·Filed 2015·Granted Dec 3, 2019·0 cites·17 claims
- 4141US2007115160A1Self-referenced differential decoding of analog baseband signalsKLEVELAND BENDIK·Filed 2006·Application pending·0 cites
- 4239US11866957B2Lock housing device and key structureIBM·Filed 2020·Granted Jan 9, 2024·0 cites·14 claims
- 4338USD1103257SMagnetic phone tripod standXU JUNFENG·Filed 2024·Granted Nov 25, 2025·0 cites·1 claims
- 4437US10282435B2Apparatus, method, and storage medium for automatically correcting errors in electronic publication systemsIBM·Filed 2016·Granted May 7, 2019·0 cites·16 claims
- 4537US10263556B2Method and system for correcting initial zero offsetCRRC ZHUZHOU INST CO LTD·Filed 2016·Granted Apr 16, 2019·0 cites·10 claims
- 4636US10661666B2Traction distribution method and system of power-distributed trainCRRC ZHUZHOU INST CO LTD·Filed 2016·Granted May 26, 2020·0 cites·5 claims
- 4735US9991829B2Direct-axis current protection method and device for permanent magnet synchronous motor drive systemCSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2013·Granted Jun 5, 2018·0 cites·10 claims
- 4833US10374545B2Rotor temperature monitoring method and system for permanent magnet synchronous motorCRRC ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2015·Granted Aug 6, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →