Inventor · disambiguated record
Ian Campbell
Also filed as: CAMPBELL IAN · CAMPBELL IAN R
14 granted patents·4 pending applications·57 citations·filing 1975–2023
89Inventor score
Files withVALVE CORP10BREATHE BATTERY TECH LIMITED2CWB GROUP IND SERVICES2CAMPBELL IAN R1CWB Group—Industry Services1
Top patents by PatentIndex Score
18 records- 0195US10691233B2Sensor fusion algorithms for a handheld controller that includes a force sensing resistor (FSR)VALVE CORP·Filed 2018·Granted Jun 23, 2020·21 cites·20 claims
- 0284US10406431B2Hand-held controller with a back shell and underlying force sensitive resistorsVALVE CORP·Filed 2017·Granted Sep 10, 2019·5 cites·34 claims
- 0379US10888773B2Force sensing resistor (FSR) with polyimide substrate, systems, and methods thereofVALVE CORP·Filed 2018·Granted Jan 12, 2021·2 cites·23 claims
- 0477US11294485B2Sensor fusion algorithms for a handheld controller that includes a force sensing resistor (FSR)VALVE CORP·Filed 2020·Granted Apr 5, 2022·1 cites·20 claims
- 0577US10888776B2Handheld controllers with detachable overlaysVALVE CORP·Filed 2018·Granted Jan 12, 2021·3 cites·19 claims
- 0670US10806993B2Handheld controllers with swappable controlsVALVE CORP·Filed 2018·Granted Oct 20, 2020·2 cites·24 claims
- 0767US10639543B2Handheld controllers with touch-sensitive controlsVALVE CORP·Filed 2018·Granted May 5, 2020·1 cites·27 claims
- 0862US11491392B2Using finger presence to activate a motion control feature for a handheld controllerVALVE CORP·Filed 2021·Granted Nov 8, 2022·0 cites·20 claims
- 0962US11465041B2Force sensing resistor (FSR) with polyimide substrate, systems, and methods thereofVALVE CORP·Filed 2020·Granted Oct 11, 2022·0 cites·20 claims
- 1062US10991268B2Tool simulation system, simulation workpiece, and method of operationCWB GROUP IND SERVICES·Filed 2019·Granted Apr 27, 2021·0 cites·19 claims
- 1159US2020105161A1Tool simulation system, simulation workpiece, and method of operationCWB GROUP IND SERVICES·Filed 2019·Application pending·0 cites
- 1256US11033809B2Using finger presence to activate a motion control feature for a handheld controllerVALVE CORP·Filed 2019·Granted Jun 15, 2021·0 cites·20 claims
- 1353US3992012AElectrical golf club swing monitorCAMPBELL IAN R·Filed 1975·Granted Nov 16, 1976·21 cites·6 claims
- 1453US2025158437A1Intelligent battery management system and methodBREATHE BATTERY TECH LIMITED·Filed 2023·Application pending·0 cites
- 1548US10460623B2Tool simulation system, simulation workpiece, and method of operationCWB Group—Industry Services·Filed 2018·Granted Oct 29, 2019·0 cites·22 claims
- 1648US2023305070A1Intelligent battery management system and methodBREATHE BATTERY TECH LIMITED·Filed 2021·Application pending·0 cites
- 1747US2022087600A1System and method for measuring and managing sleep efficacy in a non-invasive mannerUNIV CALIFORNIA·Filed 2019·Application pending·0 cites
- 1837USD979430SWireless monitor for measurement of environmental conditionsIDEAL SCIENCES INC·Filed 2021·Granted Feb 28, 2023·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →