Inventor
CAMPBELL IAN
US34 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL IAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VALVE CORP
10 patentsUS10691233B2Jun 23, 2020
Sensor fusion algorithms for a handheld controller that includes a force sensing resistor (FSR)
VALVE CORP21 citations93
US10888773B2Jan 12, 2021
Force sensing resistor (FSR) with polyimide substrate, systems, and methods thereof
VALVE CORP2 citations72
US10406431B2Sep 10, 2019
Hand-held controller with a back shell and underlying force sensitive resistors
VALVE CORP5 citations72
US10888776B2Jan 12, 2021
Handheld controllers with detachable overlays
VALVE CORP3 citations70
US10806993B2Oct 20, 2020
Handheld controllers with swappable controls
VALVE CORP2 citations68
US11491392B2Nov 8, 2022
Using finger presence to activate a motion control feature for a handheld controller
VALVE CORP0 citations61
US11465041B2Oct 11, 2022
Force sensing resistor (FSR) with polyimide substrate, systems, and methods thereof
VALVE CORP0 citations61
US11294485B2Apr 5, 2022
Sensor fusion algorithms for a handheld controller that includes a force sensing resistor (FSR)
VALVE CORP1 citations61
US11033809B2Jun 15, 2021
Using finger presence to activate a motion control feature for a handheld controller
VALVE CORP0 citations61
US10639543B2May 5, 2020
Handheld controllers with touch-sensitive controls
VALVE CORP1 citations59
ONSCALE INC
6 patentsUS11210138B1Dec 28, 2021
Dynamic resource allocation for computational simulation
ONSCALE INC5 citations81
US11714680B2Aug 1, 2023
Dynamic resource allocation for computational simulation
ONSCALE INC2 citations70
US12299485B2May 13, 2025
Dynamic resource allocation for computational simulation
ONSCALE INC0 citations59
US12001883B2Jun 4, 2024
Dynamic resource allocation for computational simulation
ONSCALE INC0 citations59
US12400055B2Aug 26, 2025
Methods and systems for the estimation of the computational cost of simulation
ONSCALE INC0 citations46
US11669656B2Jun 6, 2023
Systems and methods for running a simulation
ONSCALE INC0 citations38
NEXTINPUT INC
4 patentsUS9032818B2May 19, 2015
Microelectromechanical load sensor and methods of manufacturing the same
NEXTINPUT INC33 citations93
US10466119B2Nov 5, 2019
Ruggedized wafer level MEMS force sensor with a tolerance trench
NEXTINPUT INC4 citations72
US10126183B2Nov 13, 2018
Actuator for force sensor and method of assembling a force-sensing system
NEXTINPUT INC3 citations67
US10775940B2Sep 15, 2020
Force-sensitive electronic device
NEXTINPUT INC0 citations41
COLORMATRIX HOLDINGS INC
3 patentsUS10947969B2Mar 16, 2021
Polymeric materials
COLORMATRIX HOLDINGS INC10 citations84
US11065798B2Jul 20, 2021
Apparatus and method for injecting a fluid formulation into a melted polymeric material
COLORMATRIX HOLDINGS INC0 citations60
US11618972B2Apr 4, 2023
Method of and apparatus for injecting a liquid formulation into a molten polymer
COLORMATRIX HOLDINGS INC0 citations51
JOHNSON MATTHEY DAVY TECHNOLOGIES LTD
3 patentsUS9776948B2Oct 3, 2017
Process for the preparation of succinic acid ester
JOHNSON MATTHEY DAVY TECHNOLOGIES LTD1 citations50
US10584091B2Mar 10, 2020
Process for the recovery of dialkyl succinate or dialkyl maleate
JOHNSON MATTHEY DAVY TECHNOLOGIES LTD0 citations45
US9527796B2Dec 27, 2016
Process for the preparation of succinic acid ester
JOHNSON MATTHEY DAVY TECHNOLOGIES LTD0 citations40