Inventor · disambiguated record
Fred Martensen
Also filed as: MARTENSEN FRED · MARTENSEN FRED A
8 granted patents·184 citations·filing 2007–2015
87Inventor score
Top patents by PatentIndex Score
8 records- 0197US8549552B2Methods and apparatus to monitor media exposure in vehiclesRAMASWAMY ARUN·Filed 2009·Granted Oct 1, 2013·118 cites·19 claims
- 0296US8327396B2Methods, systems, and apparatus for multi-purpose meteringRAMASWAMY ARUN·Filed 2007·Granted Dec 4, 2012·40 cites·16 claims
- 0393US9055336B2Methods, systems and apparatus for multi-purpose meteringNIELSEN CO US LLC·Filed 2014·Granted Jun 9, 2015·12 cites·24 claims
- 0489US8752081B2Methods, systems and apparatus for multi-purpose meteringRAMASWAMY ARUN·Filed 2012·Granted Jun 10, 2014·7 cites·15 claims
- 0573US9288268B2Methods and apparatus to monitor shoppers in a retail environmentRAMASWAMY ARUN·Filed 2008·Granted Mar 15, 2016·5 cites·27 claims
- 0671US9185457B2Methods, systems and apparatus for multi-purpose meteringNIELSEN CO US LLC·Filed 2015·Granted Nov 10, 2015·1 cites·23 claims
- 0763USRE45786EMethods and apparatus to monitor media exposure in vehiclesNIELSEN CO US LLC·Filed 2014·Granted Oct 27, 2015·1 cites·28 claims
- 0851USRE46329EMethods and apparatus to monitor media exposure in vehiclesNIELSEN CO US LLC·Filed 2015·Granted Feb 28, 2017·0 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →