Inventor · disambiguated record
Chang-Sik Choi
Also filed as: CHOI CHANG-SIK
69 granted patents·10 pending applications·118 citations·filing 1997–2024
98Inventor score
Top patents by PatentIndex Score
79 records- 0197US11363530B2Sidelink positioning based on physical ranging signalsQUALCOMM INC·Filed 2020·Granted Jun 14, 2022·4 cites·34 claims
- 0295US11736895B2Vehicle-to-pedestrian positioning with user equipment and network assistanceQUALCOMM INC·Filed 2022·Granted Aug 22, 2023·2 cites·30 claims
- 0395US11622232B2Positioning of vehicles and pedestrians leveraging ranging signalQUALCOMM INC·Filed 2021·Granted Apr 4, 2023·2 cites·30 claims
- 0495US11533702B1Group-based positioning design in asynchronous vehicular networksQUALCOMM INC·Filed 2021·Granted Dec 20, 2022·3 cites·38 claims
- 0594US11689890B2Improving sidelink positioning via messaging between wireless nodesQUALCOMM INC·Filed 2021·Granted Jun 27, 2023·2 cites·24 claims
- 0693US11971499B2Distributed device management for positioningQUALCOMM INC·Filed 2021·Granted Apr 30, 2024·2 cites·28 claims
- 0793US11805552B2User equipment enabled sidelink ranging with adjustable bandwidthQUALCOMM INC·Filed 2022·Granted Oct 31, 2023·2 cites·50 claims
- 0893US11758505B2Group-based PRS broadcast for sidelink positioningQUALCOMM INC·Filed 2021·Granted Sep 12, 2023·2 cites·29 claims
- 0993US11533586B2Vehicle-to-pedestrian positioning with user equipment and network assistanceQUALCOMM INC·Filed 2021·Granted Dec 20, 2022·2 cites·30 claims
- 1092US11546910B2Optimization of ranging sessions initiated by vehicle and pedestrian UESQUALCOMM INC·Filed 2021·Granted Jan 3, 2023·2 cites·31 claims
- 1191US11558714B2Signal overhead reduction in distributed positioning systemQUALCOMM INC·Filed 2021·Granted Jan 17, 2023·2 cites·39 claims
- 1291US11356814B1Decentralized and scalable ranging and positioning of distributed devicesQUALCOMM INC·Filed 2021·Granted Jun 7, 2022·2 cites·30 claims
- 1390US11689892B2Approach to use positioning reference signal(s) (PRS(s)) traveling non line-of-sight (NLOS) transmission paths and map information for positioning of user equipments (UEs)QUALCOMM INC·Filed 2021·Granted Jun 27, 2023·2 cites·24 claims
- 1489US11477758B2Techniques for determining position over sidelink using multiple antennasQUALCOMM INC·Filed 2021·Granted Oct 18, 2022·2 cites·30 claims
- 1588US11970749B2Hot rolled steel sheet having excellent formability and fatigue properties and manufacturing method thereforPOSCO CO LTD·Filed 2023·Granted Apr 30, 2024·0 cites·3 claims
- 1688US11432109B2Positioning of vehicles and pedestrians leveraging ranging signalQUALCOMM INC·Filed 2019·Granted Aug 30, 2022·3 cites·26 claims
- 1786US11025374B2Methods and apparatus for resource allocation and feedback in vehicle to vehicle communicationSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Jun 1, 2021·4 cites·20 claims
- 1885US12301487B2Environment-aware positioning reference signal (PRS)QUALCOMM INC·Filed 2021·Granted May 13, 2025·1 cites·25 claims
- 1985US11558160B2Positioning system to leverage map data collected by user equipmentQUALCOMM INC·Filed 2021·Granted Jan 17, 2023·1 cites·30 claims
- 2083US11762078B2Line of sight determination based on direction and distance thresholdsQUALCOMM INC·Filed 2021·Granted Sep 19, 2023·1 cites·17 claims
- 2183US11638237B2Geometry-based listen-before-talk (LBT) sensing for traffic-related physical ranging signalsQUALCOMM INC·Filed 2020·Granted Apr 25, 2023·1 cites·23 claims
- 2283US11496986B1Distributed positioning procedure for vehicular-ues in out-of-coverage cellular networksQUALCOMM INC·Filed 2021·Granted Nov 8, 2022·1 cites·40 claims
- 2382US11317370B1Interference avoidance for ranging and positioning of distributed devicesQUALCOMM INC·Filed 2021·Granted Apr 26, 2022·1 cites·30 claims
- 2481US2025106596A1Sidelink positioning via messaging between wireless nodesQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2580US12207161B2Improving sidelink positioning via messaging between wireless nodesQUALCOMM INC·Filed 2023·Granted Jan 21, 2025·0 cites·16 claims
- 2679US12160845B2Vehicle-to-pedestrian positioning with joint localization in vehiclesQUALCOMM INC·Filed 2023·Granted Dec 3, 2024·0 cites·26 claims
- 2779US11758357B2Positioning of vehicles and pedestrians leveraging ranging signalQUALCOMM INC·Filed 2022·Granted Sep 12, 2023·0 cites·26 claims
- 2877US11991109B2Positioning system to leverage map data collected by user equipmentQUALCOMM INC·Filed 2022·Granted May 21, 2024·0 cites·28 claims
- 2975US11683702B2Combined distributed ranging sessions including common devicesQUALCOMM INC·Filed 2022·Granted Jun 20, 2023·0 cites·30 claims
- 3075US6015748AMethods of fabricating integrated circuit memory devices including silicide blocking layers on memory cell transistor source and drain regionsSAMSUNG ELECTRONICS CO LTD·Filed 1999·Granted Jan 18, 2000·31 cites·12 claims
- 3175US2024251475A1Aligning drx cycles using system level configurationQUALCOMM INC·Filed 2024·Application pending·0 cites
- 3274US11849394B2Sidelink positioning based on physical ranging signalsQUALCOMM INC·Filed 2022·Granted Dec 19, 2023·0 cites·30 claims
- 3374US11591664B2Hot rolled steel sheet having excellent formability and fatigue properties and manufacturing method thereforPOSCO·Filed 2017·Granted Feb 28, 2023·0 cites·5 claims
- 3473US12245256B2Optimization of ranging sessions initiated by vehicle and pedestrian UESQUALCOMM INC·Filed 2022·Granted Mar 4, 2025·0 cites·19 claims
- 3573US6071802AMethod for manufacturing semiconductor device having self-aligned contactSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Jun 6, 2000·28 cites·34 claims
- 3672US12262346B2Group-based PRS broadcast for sidelink positioningQUALCOMM INC·Filed 2023·Granted Mar 25, 2025·0 cites·29 claims
- 3772US12127158B2Group-based positioning design in asynchronous vehicular networksQUALCOMM INC·Filed 2022·Granted Oct 22, 2024·0 cites·30 claims
- 3871US6316803B1Integrated circuit memory devices having self-aligned contactSAMSUNG ELECTRONICS CO LTD·Filed 2000·Granted Nov 13, 2001·12 cites·11 claims
- 3969US12180556B2Hot rolled steel sheet having excellent crashworthiness and method for manufacturing samePOSCO CO LTD·Filed 2021·Granted Dec 31, 2024·0 cites·8 claims
- 4069US11496914B2Combined distributed ranging sessions including common devicesQUALCOMM INC·Filed 2021·Granted Nov 8, 2022·0 cites·55 claims
- 4168US11924906B2Aligning DRX cycles using system level configurationQUALCOMM INC·Filed 2021·Granted Mar 5, 2024·0 cites·30 claims
- 4268US11770793B2Vehicle-to-pedestrian positioning with joint localization in vehiclesQUALCOMM INC·Filed 2020·Granted Sep 26, 2023·0 cites·35 claims
- 4365US11743941B2Dynamic group formation for group based positioning reference signal listen before talk proceduresQUALCOMM INC·Filed 2021·Granted Aug 29, 2023·0 cites·30 claims
- 4465US11722874B2Timing determination for signals in sidelink positioningQUALCOMM INC·Filed 2021·Granted Aug 8, 2023·0 cites·42 claims
- 4564US11653225B2Positioning techniques using positioning reference signalingQUALCOMM INC·Filed 2021·Granted May 16, 2023·0 cites·30 claims
- 4663US11960019B2Techniques for ranging and positioning of distributed devicesQUALCOMM INC·Filed 2021·Granted Apr 16, 2024·0 cites·25 claims
- 4763US11710403B2Signaling techniques for sensor fusion systemsQUALCOMM INC·Filed 2021·Granted Jul 25, 2023·0 cites·36 claims
- 4863US11418912B1Dynamic merge and separation of ranging sessions in UE-enabled sidelink positioningQUALCOMM INC·Filed 2021·Granted Aug 16, 2022·0 cites·42 claims
- 4961US11582582B2Position estimation of a pedestrian user equipmentQUALCOMM INC·Filed 2021·Granted Feb 14, 2023·0 cites·69 claims
- 5061US11374641B2Grouping devices to reduce latency in round trip time based millimeter wave positioningQUALCOMM INC·Filed 2020·Granted Jun 28, 2022·0 cites·26 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →