Inventor · disambiguated record
Qingfeng Liu
Also filed as: LIU QINGFENG
25 granted patents·11 pending applications·24 citations·filing 2010–2025
92Inventor score
Files withSAMSUNG ELECTRONICS CO LTD15ASTEC INT LTD5IFLYTEK CO LTD5KUNSHAN TVS ELECTRONIC TECH CO LTD2UNIV KANSAS2
Top patents by PatentIndex Score
36 records- 0185US10929665B2System and method for providing dominant scene classification by semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Feb 23, 2021·5 cites·26 claims
- 0283US10355601B2Switched-mode power supplies having burst mode operation for reduced power consumptionASTEC INT LTD·Filed 2017·Granted Jul 16, 2019·4 cites·25 claims
- 0378US9991799B2Switch mode power supplies including primary side clamping circuits controlled based on secondary side signalsASTEC INT LTD·Filed 2016·Granted Jun 5, 2018·4 cites·18 claims
- 0477US10212824B2Gold-plating etching process for 5G communication high-frequency signal boardsKUNSHAN TVS ELECTRONIC TECH CO LTD·Filed 2018·Granted Feb 19, 2019·2 cites·10 claims
- 0576US11461998B2System and method for boundary aware semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Oct 4, 2022·1 cites·18 claims
- 0675US2023360396A1System and method for providing dominant scene classification by semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2023·Application pending·0 cites
- 0774US11847826B2System and method for providing dominant scene classification by semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Dec 19, 2023·0 cites·22 claims
- 0873US12242964B2Method and apparatus for data efficient semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Mar 4, 2025·0 cites·18 claims
- 0973US10339428B2Intelligent scoring method and system for text objective questionIFLYTEK CO LTD·Filed 2015·Granted Jul 2, 2019·4 cites·16 claims
- 1072US10224499B2Biomolecule-carbon nanostructure nanocomposites for optoelectronic devicesUNIV KANSAS·Filed 2016·Granted Mar 5, 2019·2 cites·21 claims
- 1168US11532154B2System and method for providing dominant scene classification by semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Dec 20, 2022·0 cites·26 claims
- 1268US10949701B2Method, apparatus and storage medium for recognizing characterIFLYTEK CO LTD·Filed 2018·Granted Mar 16, 2021·2 cites·18 claims
- 1366US2025200957A1Forward and backward embedding fusion for video panoptic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 1464US12347161B2System and method for dual-value attention and instance boundary aware regression in computer vision systemSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jul 1, 2025·0 cites·20 claims
- 1564US11687780B2Method and apparatus for data efficient semantic segmentationSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Jun 27, 2023·0 cites·18 claims
- 1663US2024362487A1Systems and methods for tuning parameters of a machine learning model for federated learningSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 1762US2025069247A1Temporal consistency via backbone feature fusion for pixel-level prediction tasksSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 1861US2020336074A1Flyback Power Converters Including Adaptive Clamp Circuits For Adjusting Resonant FrequenciesASTEC INT LTD·Filed 2020·Application pending·0 cites
- 1959US11908960B2Plasmonic metal/graphene heterostructures and related methodsUNIV KANSAS·Filed 2019·Granted Feb 20, 2024·0 cites·20 claims
- 2057US11951575B2Automatic welding system and method for large structural parts based on hybrid robots and 3D visionXIAN CHISHINE OPTOELECTRONICS TECH CO LTD·Filed 2022·Granted Apr 9, 2024·0 cites·7 claims
- 2154US12051237B2Multi-expert adversarial regularization for robust and data-efficient deep supervised learningSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jul 30, 2024·0 cites·20 claims
- 2253US2023050573A1System and method for unsupervised learning of segmentation tasksSAMSUNG ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 2351US11657150B2Two-dimensionality detection method for industrial control system attacksUNIV DALIAN TECH·Filed 2022·Granted May 23, 2023·0 cites·1 claims
- 2451US2024127589A1Hardware friendly multi-kernel convolution networkSAMSUNG ELECTRONICS CO LTD·Filed 2023·Application pending·0 cites
- 2550US12410271B1CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Sep 9, 2025·0 cites·19 claims
- 2649US2022301128A1Method and device for deep guided filter processingSAMSUNG ELECTRONICS CO LTD·Filed 2021·Application pending·0 cites
- 2748US12054387B1Electrostatically driven comb structure of MEMS, micro-mirror using same and preparation method thereforXIAN CHISHINE OPTOELECTRONICS TECH CO LTD·Filed 2022·Granted Aug 6, 2024·0 cites·6 claims
- 2847US2019036459A1Flyback power converters including adaptive clamp circuits for adjusting resonant frequenciesASTEC INT LTD·Filed 2017·Application pending·0 cites
- 2943US2016189730A1Speech separation method and systemIFLYTEK CO LTD·Filed 2014·Application pending·0 cites
- 3039US12308028B2Speech recognition method, apparatus and device, and storage mediumIFLYTEK CO LTD·Filed 2020·Granted May 20, 2025·0 cites·12 claims
- 3138US10813226B2Process for improving performance of sliding rheostat of 5G communication high-frequency signal boardKUNSHAN TVS ELECTRONIC TECH CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·10 claims
- 3238US10340787B2Power factor correction stage control during start-up for efficient use of a negative temperature coefficient thermistorASTEC INT LTD·Filed 2015·Granted Jul 2, 2019·0 cites·14 claims
- 3338US2025023342A1Surge protection circuitAES GLOBAL HOLDINGS PTE LTD·Filed 2021·Application pending·0 cites
- 3436US9564127B2Speech recognition method and system based on user personalized informationIFLYTEK CO LTD·Filed 2013·Granted Feb 7, 2017·0 cites·16 claims
- 3534US11316483B2Input voltage endurance protection architecture3PEAK INC·Filed 2019·Granted Apr 26, 2022·0 cites·6 claims
- 3633US9330667B2Method and system for endpoint automatic detection of audio recordWEI SI·Filed 2010·Granted May 3, 2016·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →