Inventor
BERGSTRÖM HÅKAN
SE24 patents
⚠️ This page may combine multiple inventors who share the name “BERGSTRÖM HÅKAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FLATFROG LAB AB
22 patentsUS9626040B2Apr 18, 2017
Touch-sensitive apparatus with improved spatial resolution
FLATFROG LAB AB45 citations97
US10963104B2Mar 30, 2021
Optical coupling in touch-sensing systems
FLATFROG LAB AB11 citations93
US10496227B2Dec 3, 2019
Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
FLATFROG LAB AB21 citations93
US10146376B2Dec 4, 2018
Light coupling in TIR-based optical touch systems
FLATFROG LAB AB17 citations86
US11893189B2Feb 6, 2024
Touch-sensing apparatus
FLATFROG LAB AB8 citations85
US11740741B2Aug 29, 2023
Optical coupling in touch-sensing systems
FLATFROG LAB AB7 citations85
US11567610B2Jan 31, 2023
Detection line broadening
FLATFROG LAB AB13 citations85
US11474644B2Oct 18, 2022
Optical coupling in touch-sensing systems
FLATFROG LAB AB9 citations85
US11029783B2Jun 8, 2021
Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
FLATFROG LAB AB9 citations85
US10401546B2Sep 3, 2019
Optical component for light coupling
FLATFROG LAB AB13 citations84
US10168835B2Jan 1, 2019
Spatial resolution in touch displays
FLATFROG LAB AB11 citations84
US9857916B2Jan 2, 2018
Optical coupling in touch-sensing systems using diffusively transmitting element
FLATFROG LAB AB16 citations84
US11650699B2May 16, 2023
Optical component
FLATFROG LAB AB10 citations83
US11256371B2Feb 22, 2022
Optical component
FLATFROG LAB AB11 citations83
US10268319B2Apr 23, 2019
Edge-coupled touch-sensitive apparatus
FLATFROG LAB AB10 citations83
US10365768B2Jul 30, 2019
TIR-based optical touch systems of projection-type
FLATFROG LAB AB12 citations80
US12386461B2Aug 12, 2025
Touch-sensing apparatus
FLATFROG LAB AB2 citations74
US12175044B2Dec 24, 2024
Optical coupling in touch-sensing systems
FLATFROG LAB AB3 citations74
US12086362B2Sep 10, 2024
Optical component
FLATFROG LAB AB4 citations72
US12055969B2Aug 6, 2024
Frame for a touch-sensitive device and tool therefor
FLATFROG LAB AB4 citations67
US12524117B2Jan 13, 2026
Optical coupling in touch-sensing systems
FLATFROG LAB AB0 citations62
US12524116B2Jan 13, 2026
Detection line broadening
FLATFROG LAB AB0 citations62