Inventor
KEEFER KENNETH J
US8 patents
Patents
8 patentsUS7439963B2Oct 21, 2008
Touch sensor with linearized response
3M INNOVATIVE PROPERTIES CO74 citations96
US7327352B2Feb 5, 2008
Linearized conductive surface
3M INNOVATIVE PROPERTIES CO97 citations96
US7307624B2Dec 11, 2007
Touch sensor with linearized response
3M INNOVATIVE PROPERTIES CO20 citations91
US7227538B2Jun 5, 2007
Touch sensor with linearized response
3M INNOVATIVE PROPERTIES CO11 citations77
US7850461B2Dec 14, 2010
Clip for maintaining connection with electrical tail
3M INNOVATIVE PROPERTIES CO2 citations60
US10901564B2Jan 26, 2021
Electrode pattern for capacitive touch sensor
3M INNOVATIVE PROPERTIES CO0 citations50
US10353525B2Jul 16, 2019
Capacitive touch sensor apparatus
3M INNOVATIVE PROPERTIES CO0 citations50
US9977555B2May 22, 2018
Capacitive touch sensor apparatus
3M INNOVATIVE PROPERTIES CO0 citations50