Inventor · disambiguated record
Leo Karkkainen
Also filed as: KAERKKAEINEN LEO · KARKKAINEN LEO · KARKKAINEN LEO M · KARKKAINEN LEO M J
6 granted patents·1 pending application·88 citations·filing 2005–2013
83Inventor score
Top patents by PatentIndex Score
7 records- 0194US9020168B2Apparatus and method for audio delivery with different sound conduction transducersKARKKAINEN LEO·Filed 2011·Granted Apr 28, 2015·43 cites·13 claims
- 0287US7689248B2Listening assistance function in phone terminalsNOKIA CORP·Filed 2005·Granted Mar 30, 2010·17 cites·26 claims
- 0383US8005249B2Ear canal signal converting method, ear canal transducer and headsetNOKIA CORP·Filed 2005·Granted Aug 23, 2011·13 cites·14 claims
- 0477US8831248B2Apparatus with directivity patternMELLOW TIMOTHY J·Filed 2011·Granted Sep 9, 2014·7 cites·19 claims
- 0573US8243967B2Hand-held electronic deviceKIRKEBY OLE·Filed 2005·Granted Aug 14, 2012·7 cites·17 claims
- 0647US8912873B2Magnetic shielding apparatusKUIVALLAINEN JANI SAMULI·Filed 2011·Granted Dec 16, 2014·1 cites·19 claims
- 0747US2015177891A1Wearable apparatus skin inputNOKIA CORP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →