Inventor · disambiguated record
Lei Zhang
Also filed as: ZHANG LEI · ZHANG LEI HU
474 granted patents·205 pending applications·5,355 citations·filing 1994–2025
99Inventor score
Files withCHENGDU QINCHUAN IOT TECH CO LTD93ZHANG LEI58MICROSOFT CORP40MICROSOFT TECHNOLOGY LICENSING LLC26ADVANCED MICRO DEVICES INC20
Top patents by PatentIndex Score
679 records- 0199US10825424B2Homography transformation matrices based temperature calibration of a viewing systemMAGIC LEAP INC·Filed 2019·Granted Nov 3, 2020·49 cites·21 claims
- 0298US11464313B2Apparatuses and methods for drying an objectSZ ZUVI TECH CO LTD·Filed 2021·Granted Oct 11, 2022·18 cites·30 claims
- 0398US9317776B1Robust static and moving object detection system via attentional mechanismsHRL LAB LLC·Filed 2014·Granted Apr 19, 2016·143 cites·15 claims
- 0498US9147255B1Rapid object detection by combining structural information from image segmentation with bio-inspired attentional mechanismsHRL LAB LLC·Filed 2013·Granted Sep 29, 2015·176 cites·12 claims
- 0598US8346701B2Answer ranking in community question-answering sitesMICROSOFT CORP·Filed 2009·Granted Jan 1, 2013·68 cites·20 claims
- 0698US7836050B2Ranking content based on relevance and qualityMICROSOFT CORP·Filed 2006·Granted Nov 16, 2010·90 cites·7 claims
- 0798US6359288B1Nanowire arraysMASSACHUSETTS INST TECHNOLOGY·Filed 1998·Granted Mar 19, 2002·352 cites·13 claims
- 0898US6231744B1Process for fabricating an array of nanowiresMASSACHUSETTS INST TECHNOLOGY·Filed 1998·Granted May 15, 2001·406 cites·36 claims
- 0997US11998962B2Methods for smart gas pipeline cleaning management for safety management and internet of things systems thereofCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2023·Granted Jun 4, 2024·2 cites·8 claims
- 1097US11832698B2Apparatuses and methods for drying an objectSZ ZUVI TECH CO LTD·Filed 2022·Granted Dec 5, 2023·10 cites·20 claims
- 1197US10423985B1Method and system for identifying users across mobile and desktop devicesTWITTER INC·Filed 2016·Granted Sep 24, 2019·145 cites·24 claims
- 1297US9978149B1System and method for door detection for corridor explorationHRL LAB LLC·Filed 2015·Granted May 22, 2018·34 cites·21 claims
- 1397US8458115B2Mining topic-related aspects from user generated contentCAI RUI·Filed 2010·Granted Jun 4, 2013·323 cites·20 claims
- 1497US7274822B2Face annotation for photo managementMICROSOFT CORP·Filed 2003·Granted Sep 25, 2007·229 cites·36 claims
- 1597US7190829B2Speedup of face detection in digital imagesMICROSOFT CORP·Filed 2003·Granted Mar 13, 2007·156 cites·56 claims
- 1696US12140275B2Method for gas gate station monitoring based on smart gas platform and internet of things system thereofCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2024·Granted Nov 12, 2024·2 cites·10 claims
- 1796US11921498B2Industrial internet of things (IoT) for correction and regulation of defective product, control methods and storage medium thereofCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2023·Granted Mar 5, 2024·2 cites·6 claims
- 1896US11861567B2Method and internet of things system for determining gas meter measurement failure of smart gasCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2022·Granted Jan 2, 2024·4 cites·11 claims
- 1996US11776409B2Methods, internet of things systems and storage mediums for street management in smart citiesCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2022·Granted Oct 3, 2023·3 cites·7 claims
- 2096US11754995B2Industrial internet of things for identifying and processing manufacturing problems, control methods, and storage mediumCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2022·Granted Sep 12, 2023·4 cites·5 claims
- 2196US11706022B1Method for trusted data decryption based on privacy-preserving computationNanhu Laboratory·Filed 2023·Granted Jul 18, 2023·5 cites·10 claims
- 2296US11536856B2Position-window extension for GNSS and visual-inertial-odometry (VIO) fusionQUALCOMM INC·Filed 2020·Granted Dec 27, 2022·4 cites·30 claims
- 2396US10645332B2Subtitle displaying method and apparatusALIBABA GROUP HOLDING LTD·Filed 2019·Granted May 5, 2020·17 cites·20 claims
- 2496US9117068B1Password protection using patternZHANG LEI·Filed 2013·Granted Aug 25, 2015·36 cites·20 claims
- 2596US8582854B2Method and system for automatic coronary artery detectionZHANG LEI·Filed 2009·Granted Nov 12, 2013·73 cites·23 claims
- 2696US8342001B2Crimping/cutting working head for impact wrenchLINK TECH TIANJIN METAL PRODUCTS CO LTD·Filed 2010·Granted Jan 1, 2013·26 cites·20 claims
- 2796US7644373B2User interface for viewing clusters of imagesMICROSOFT CORP·Filed 2006·Granted Jan 5, 2010·64 cites·6 claims
- 2896US7403642B2Efficient propagation for face annotationMICROSOFT CORP·Filed 2005·Granted Jul 22, 2008·106 cites·17 claims
- 2995US11776378B2Methods for predicting gas leakage based on indoor safety and smart gas Internet of Things systemsCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2022·Granted Oct 3, 2023·4 cites·7 claims
- 3095USD893539SDisplay screen or portion thereof with an animated graphical user interfaceBEIJING ZHANGDIANZISHI TECH CO LTD·Filed 2018·Granted Aug 18, 2020·48 cites·1 claims
- 3195US10174736B2Emergency starting device and emergency starting methodZHANG LEI·Filed 2015·Granted Jan 8, 2019·16 cites·7 claims
- 3295US9165369B1Multi-object detection and recognition using exclusive non-maximum suppression (eNMS) and classification in cluttered scenesHRL LAB LLC·Filed 2014·Granted Oct 20, 2015·37 cites·21 claims
- 3395US9110774B1System and method of utilizing driving profiles via a mobile deviceSPRINT COMMUNICATIONS CO·Filed 2013·Granted Aug 18, 2015·45 cites·15 claims
- 3495US9008366B1Bio-inspired method of ground object cueing in airborne motion imageryHRL LAB LLC·Filed 2013·Granted Apr 14, 2015·30 cites·18 claims
- 3595US7493251B2Using source-channel models for word segmentationMICROSOFT CORP·Filed 2003·Granted Feb 17, 2009·149 cites·51 claims
- 3695US7415152B2Method and system for constructing a 3D representation of a face from a 2D representationMICROSOFT CORP·Filed 2005·Granted Aug 19, 2008·106 cites·16 claims
- 3795US7224850B2Modification of red-eye-effect in digital imageMICROSOFT CORP·Filed 2003·Granted May 29, 2007·81 cites·17 claims
- 3894US12437155B1Information extraction system for unstructured documents using independent tabular and textual retrieval augmentationAMERICAN INT GROUP INC·Filed 2025·Granted Oct 7, 2025·1 cites·20 claims
- 3994US12437154B1Information extraction system for unstructured documents using retrieval augmentation providing source traceability and error controlAMERICAN INT GROUP INC·Filed 2025·Granted Oct 7, 2025·2 cites·20 claims
- 4094US12190545B2Intelligent manufacturing industrial internet of things with front split service platform, control method and medium thereofCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2022·Granted Jan 7, 2025·2 cites·17 claims
- 4194US12153233B1Electronic device with stacked metasurface lensesAPPLE INC·Filed 2021·Granted Nov 26, 2024·3 cites·25 claims
- 4294US11953356B2Methods and internet of things (IoT) systems for monitoring smart gas pipeline networks based on ultrasonic flowmetersCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2023·Granted Apr 9, 2024·1 cites·7 claims
- 4394US11830091B2Methods for production line electricity management based on an industrial internet of things, systems and storage mediums thereofCHENGDU QINCHUAN IOT TECH CO LTD·Filed 2023·Granted Nov 28, 2023·2 cites·7 claims
- 4494USD994001SConveying robotBEIJING JINGDONG QIANSHI TECH CO LTD·Filed 2021·Granted Aug 1, 2023·20 cites·1 claims
- 4594US10733463B1Systems and methods for augmenting perception data with supplemental informationLYFT INC·Filed 2020·Granted Aug 4, 2020·7 cites·20 claims
- 4694US9552648B1Object tracking with integrated motion-based object detection (MogS) and enhanced kalman-type filteringHRL LAB LLC·Filed 2013·Granted Jan 24, 2017·37 cites·21 claims
- 4794US9471566B1Method and apparatus for converting phonetic language input to written language outputZHANG LEI·Filed 2005·Granted Oct 18, 2016·221 cites·51 claims
- 4894US9342759B1Object recognition consistency improvement using a pseudo-tracklet approachHRL LAB LLC·Filed 2014·Granted May 17, 2016·25 cites·18 claims
- 4994US9009024B2Performing sentiment analysisZHANG LEI·Filed 2011·Granted Apr 14, 2015·29 cites·18 claims
- 5094US8429110B2Pattern tree-based rule learningCAI RUI·Filed 2010·Granted Apr 23, 2013·32 cites·20 claims
Showing the top 50 of 679 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →