Kai Narvanen has been granted 6 US patents while listed as an inventor at Nokia . The first was granted in 2004 and the most recent in September 2009. Kai Narvanen ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Kai Narvanen in Pirkkala, FI.
Patents per Year Patents granted per year, 2004 to 2009 Bar chart with a peak of 2 patents in 2008. peak 2 2004: 1 patents 2004 2006: 1 patents 2006 2007: 1 patents 2007 2008: 2 patents 2008 2009: 1 patents 2009
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7590407 Method and device for carrying out security procedures involving mobile stations in hybrid cellular telecommunication systems Hannu Honkala , Markku Rautiola , Tapio Siik , Petri Uosukainen , Pekka Rissanen +2 more 2009-09-15
$11,668,000
7436807 Communication network Timo Hanninen , Markku Rautiola , Tapio Siik , Petri Uosukainen , Hannu Honkala +2 more 2008-10-14
$11,731,000
7420964 Arranging packet data connections in office system Petteri Zilliacus , Markku Rautiola 2008-09-02
$11,273,000
7171209 System and method for allowing subscribers to make internal calls while roaming to other networks Raili Numminen , Pekka Rissanen 2007-01-30
$6,255,000
7092709 Handover of a mobile station from an internal cellular communication system to an external cellular communication system Hannu Honkala , Timo Hanninen , Roy Mickos , Markku Rautiola , Pekka Rissanen +2 more 2006-08-15
$8,861,000
6813496 Network access control Raili Numminen , Tero Rantala 2004-11-02
$9,248,000
