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Knut Riisnæs

IA Idex Asa: 2 patents #19 of 35Top 55%
Overall (All Time): #2,129,819 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7848798 Live finger detection by four-point measurement of complex impedance Ørjan G. Martinsen, Jon Nysæther, Geir Mostad, Rune Pedersen, Nicolai W. Christie +1 more 2010-12-07
7606398 Sensor for measurement for wet and dry fingers Jon Nysæther, Ørjan G. Martinsen, Geir Mostad, Nicolai W. Christie, Rune Pedersen 2009-10-20