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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oulu, FI ranks #422 worldwide for total patents filed in 2018, with 308 patents from 151 inventors. Leading employers of inventors based in Oulu, FI include Nokia Solutions And Networks Oy, Nokia Technologies Oy, Tactotek Oy.

Showing 1–50 of 151 inventors

Rank Inventor Primary Company Patents
1 Esa Tapani Tiirola Nokia Solutions And Networks Oy 23
2 Kari Juhani Hooli Nokia Solutions And Networks Oy 14
2 Vinh Van Phan Nokia Solutions And Networks Oy 14
#4 Kari Veikko Horneman Nokia Solutions And Networks Oy 13
#5 Kari Pekka Pajukoski Nokia Solutions And Networks Oy 11
#6 Jarkko Koskela Nokia Technologies Oy 10
#7 Lars Dalsgaard Nokia Technologies Oy 9
#8 Antti Keränen Tactotek Oy 8
#9 Jussi-Pekka Koskinen Nokia Technologies Oy 7
#10 Kimmo Koskiniemi Pulse Finland Oy 5
#10 Ilkka Keskitalo Nokia Technologies Oy 5
#12 Marko Niemi Mediatek Singapore Pte. 4
#12 Timo Koskela Broadcom 4
#12 Jorma Kaikkonen Nokia Technologies Oy 4
#12 Prasadh Ramachandran Pulse Finland Oy 4
#12 Mika Erkkila Polar Electro Oy 4
#17 Eeva Lahetkangas Nokia Solutions And Networks Oy 3
#17 Mikko Repka Polar Electro Oy 3
#17 Elias Pekonen Polar Electro Oy 3
#17 Timo Tervo Nokia 3
#17 Kauko Heinikoski Ericsson 3
#17 Mikko S. Komulainen Intel 3
#17 Jukka Kyrolainen Keysight Technologies 3
#24 Hannu Kinnunen Polar Electro Oy 2
#24 Sami Ronkainen Nokia 2
#24 Marko Pessa Ericsson 2
#24 Markku Koskela Oura Health Oy 2
#24 Ashley Colley Nokia Technologies Oy 2
#24 Pasi Eino Tapio Kinnunen Nokia Solutions And Networks Oy 2
#24 Teemu Ollakka Codership Oy 2
#24 Jarkko Koskela 2
#24 Kari Kaarela Core Wireless Licensing S.A.R.L. 2
#24 Ari Kalevi Väänänen Texas Instruments 2
#24 Martti Forsell Teknologian Tutkimuskeskus Vtt Oy 2
#24 Eero Heikkinen Nokia 2
#24 Kirmo Koistinen Core Wireless Licensing S.A.R.L. 2
#24 Jaro I. Karppinen Antecip Bioventures Ii 2
#24 Markku Vimpari Nokia 2
#24 Olli Piirainen Nokia 2
#24 Sacha Legrand Kemira Oyj 2
#24 Ilkka Harjula Nokia Solutions And Networks Oy 2
#24 Tommi Uhari Uros Technology S.À R.L. 2
#24 Seppo Rousu Broadcom 2
#44 Tomi Hautala Oura Health Oy 1
#44 Jarmo Torvinen Polar Electro Oy 1
#44 Jaakko Eino Ilmari Vihriala Nokia Technologies Oy 1
#44 Antti Tanskanen Konecranes Global 1
#44 Kaisa Lämsä Polar Electro Oy 1
#44 Pekka Ilmola Kemira Oyj 1
#44 Karri Niemela 1