Inventor · disambiguated record
Igor Khalfin
Also filed as: KHALFIN IGOR
7 granted patents·2 pending applications·431 citations·filing 1998–2019
88Inventor score
Top patents by PatentIndex Score
9 records- 0194US6369564B1Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensorsPOLHEMUS INC·Filed 2001·Granted Apr 9, 2002·118 cites·26 claims
- 0284US9459124B2Electromagnetic tracker (AC) with extended range and distortion compensation capabilities employing multiple transmittersSIXENSE ENTERTAINMENT INC·Filed 2013·Granted Oct 4, 2016·7 cites·13 claims
- 0382US6762600B2Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signalPOLHEMUS INC·Filed 2003·Granted Jul 13, 2004·45 cites·35 claims
- 0477US6377041B1Method and apparatus for determining electromagnetic field characteristics within a volumePOLHEMUS INC·Filed 1998·Granted Apr 23, 2002·62 cites·40 claims
- 0574US6624626B2Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signalPOLHEMUS INC·Filed 2002·Granted Sep 23, 2003·63 cites·2 claims
- 0664US6400139B1Methods and apparatus for electromagnetic position and orientation tracking with distortion compensationPOLHEMUS INC·Filed 1999·Granted Jun 4, 2002·136 cites·28 claims
- 0746US11428546B2Method and apparatus for synchronizing multiple magnetic tracking systemsPENUMBRA INC·Filed 2019·Granted Aug 30, 2022·0 cites·23 claims
- 0841US2003201767A1Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signalFiled 2003·Application pending·0 cites
- 0940US2019257673A1Electromagnetic Six Degree of Freedom (6DOF) Tracking System With Non-Concentric Transmitter CoilsSIXENSE ENTPR INC·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →