Inventor · disambiguated record
Changchun Li
Also filed as: LI CHANGCHUN
22 granted patents·3 pending applications·50 citations·filing 2002–2024
92Inventor score
Files withSENSORMATIC ELECTRONICS LLC6LI CHANGCHUN4LOCUS ROBOTICS CORP4SHENZHEN BAOWU TECH CO LTD3FORD GLOBAL TECH LLC2
Top patents by PatentIndex Score
25 records- 0191USD1017012SHumidifierLI CHANGCHUN·Filed 2023·Granted Mar 5, 2024·16 cites·1 claims
- 0285USD1077169SHumidifierLI CHANGCHUN·Filed 2024·Granted May 27, 2025·8 cites·1 claims
- 0381US11250644B2Method and system for queue length analysisSENSORMATIC ELECTRONICS LLC·Filed 2019·Granted Feb 15, 2022·2 cites·15 claims
- 0480US11571944B2Electric vehicle thermal system with waste heat recoveryLINDQUIST CRAIG A·Filed 2020·Granted Feb 7, 2023·7 cites·14 claims
- 0578USD1029221SHumidifierSHENZHEN BAOWU TECH CO LTD·Filed 2024·Granted May 28, 2024·5 cites·1 claims
- 0675USD1039123SHumidifierSHENZHEN BAOWU TECH CO LTD·Filed 2024·Granted Aug 13, 2024·4 cites·1 claims
- 0774US9965684B2Method and system for queue length analysisSENSORMATIC ELECTRONICS LLC·Filed 2014·Granted May 8, 2018·3 cites·19 claims
- 0873US10235599B2Method and system to characterize video background changes as abandoned or removed objectsSENSORMATIC ELECTRONICS LLC·Filed 2018·Granted Mar 19, 2019·1 cites·20 claims
- 0970US12370867B2Vehicle configured to detect low refrigerant chargeFORD GLOBAL TECH LLC·Filed 2022·Granted Jul 29, 2025·0 cites·18 claims
- 1070US11833888B2Method and system for protecting against low refrigerant charge in electrified vehicleFORD GLOBAL TECH LLC·Filed 2022·Granted Dec 5, 2023·0 cites·14 claims
- 1162US2024240814A1Aromatherapy humidifier with mist backflow and dripping effectsSHENZHEN BAOWU TECH CO LTD·Filed 2024·Application pending·0 cites
- 1261US12461213B2Calibration of a lidar sensorLOCUS ROBOTICS CORP·Filed 2021·Granted Nov 4, 2025·0 cites·18 claims
- 1359US2025124953A1Method, device, apparatus and storage medium for video productionBEIJING ZITIAO NETWORK TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 1458US12372967B2Visual robot pose estimationLOCUS ROBOTICS CORP·Filed 2023·Granted Jul 29, 2025·0 cites·18 claims
- 1557US12162141B2Robot charging dock with illuminated charge connectorLOCUS ROBOTICS CORP·Filed 2021·Granted Dec 10, 2024·0 cites·14 claims
- 1656US10445589B2Method and system for queue length analysisSENSORMATIC ELECTRONICS LLC·Filed 2018·Granted Oct 15, 2019·0 cites·13 claims
- 1754US10043105B2Method and system to characterize video background changes as abandoned or removed objectsSENSORMATIC ELECTRONICS LLC·Filed 2015·Granted Aug 7, 2018·0 cites·20 claims
- 1853US9237316B2Method and system to characterize video background changes as abandoned or removed objectsSENSORMATIC ELECTRONICS LLC·Filed 2013·Granted Jan 12, 2016·0 cites·8 claims
- 1953US6728436B2Optical signal modulation method and optical signal transmission system for high speed transmission systemHUAWEI TECH CO LTD·Filed 2002·Granted Apr 27, 2004·3 cites·4 claims
- 2052US11409322B2Method, apparatus and medium for timing control in an electronic deviceBEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO LTD·Filed 2018·Granted Aug 9, 2022·0 cites·12 claims
- 2149US6833948B2Method for implementing power equalization of dense wavelength division multiplexing systemHUAWEI TECH CO LTD·Filed 2002·Granted Dec 21, 2004·1 cites·5 claims
- 2244US11405557B1Rolling shutter compensation for moving digital optical camera sensorsLOCUS ROBOTICS CORP·Filed 2021·Granted Aug 2, 2022·0 cites·12 claims
- 2342US2024271806A1Volcano type aromatherapy humidifierLI CHANGCHUN·Filed 2022·Application pending·0 cites
- 2441USD1084263SHumidifierLI CHANGCHUN·Filed 2023·Granted Jul 15, 2025·0 cites·1 claims
- 2529US10466877B2Method and device for selecting entity in drawingSUZHOU GSTARSOFT CO LTD·Filed 2014·Granted Nov 5, 2019·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →