Inventor · disambiguated record
Ivan Alf Karlsson
Also filed as: KARLSSON IVAN · KARLSSON IVAN ALF
9 granted patents·1 pending application·64 citations·filing 2013–2024
86Inventor score
Top patents by PatentIndex Score
10 records- 0195US10496227B2Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panelFLATFROG LAB AB·Filed 2016·Granted Dec 3, 2019·21 cites·19 claims
- 0293US11029783B2Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panelFLATFROG LAB AB·Filed 2019·Granted Jun 8, 2021·9 cites·12 claims
- 0393US10318074B2Touch-sensing OLED display with tilted emittersFLATFROG LAB AB·Filed 2016·Granted Jun 11, 2019·14 cites·15 claims
- 0490US11283520B2Display apparatusPURELIFI LTD·Filed 2018·Granted Mar 22, 2022·6 cites·39 claims
- 0588US12107627B2Display apparatusPURELIFI LTD·Filed 2023·Granted Oct 1, 2024·2 cites·44 claims
- 0685US10365768B2TIR-based optical touch systems of projection-typeFLATFROG LAB AB·Filed 2013·Granted Jul 30, 2019·12 cites·15 claims
- 0773US12431975B2Display apparatusPURELIFI LTD·Filed 2024·Granted Sep 30, 2025·0 cites·34 claims
- 0869US11750285B2Display apparatusPURELIFI LTD·Filed 2021·Granted Sep 5, 2023·0 cites·39 claims
- 0945US9817514B2Touch-sensing apparatus and a method for enabling control of a touch-sensing apparatus by an external deviceFLATFROG LAB AB·Filed 2013·Granted Nov 14, 2017·0 cites·13 claims
- 1045US2015332655A1Method and apparatus for detecting visible ambient lightFLATFROG LAB AB·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →