Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KH

Kai Heikkinen — 4 Patents

Nokia: 4 patents #1,319 of 5,652Top 25%
Helsinki, FI: #903 of 3,940 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kai Heikkinen has been granted 4 US patents while listed as an inventor at Nokia. The first was granted in 2003 and the most recent in May 2007. Kai Heikkinen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kai Heikkinen in Helsinki, FI.

Patents per Year

Patents granted per year, 2003 to 2007Bar chart with a peak of 2 patents in 2007.peak 22003: 1 patents20032004: 1 patents20042007: 2 patents2007

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7224976 Service priorities in a multi-cell network Atte Artamo, Karl Tigerstedt, Harri Holma, Uwe Schwarz, Achim Wacker 2007-05-29 $9,685,000
7197318 Method and network element for controlling handover Uwe Schwarz, Harri Holma, Karl Tigerstedt, Achim Wacker, Atte Artamo 2007-03-27 $10,356,000
6836471 Method and system for inter-operator handover between WCDMA and GSM Harri Holma, Karl Tigerstedt, Atte Artamo, Uwe Schwarz, Achim Wacker 2004-12-28 $16,166,000
6615044 Method of WCDMA coverage based handover triggering Karl Tigerstedt, Harri Holma, Atte Artamo, Uwe Schwarz, Achim Wacker 2003-09-02 $14,393,000