RP

Risto Piirainen

Nokia: 5 patents #57 of 499Top 15%
Overall (All Time): #1,047,596 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6321069 Arrangement for reducing intermodulation distortion of radio frequency signals 2001-11-20
5689219 Summing network 1997-11-18
5686874 Temperature-compensated combiner 1997-11-11
5418509 High frequency comb-like filter 1995-05-23
5389903 Comb-line high-frequency band-pass filter having adjustment for varying coupling type between adjacent coaxial resonators 1995-02-14