Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oulu, FI ranks #480 worldwide for total patents filed in 2020, with 304 patents from 161 inventors. Leading employers of inventors based in Oulu, FI include Nokia Solutions And Networks Oy, Nokia Technologies Oy, Mediatek Singapore Pte..

Showing 1–50 of 161 inventors

Rank Inventor Primary Company Patents
1 Esa Tapani Tiirola Nokia Solutions And Networks Oy 20
2 Kari Juhani Hooli Nokia Solutions And Networks Oy 11
2 Jorma Kaikkonen Nokia Technologies Oy 11
2 Kari Pekka Pajukoski Nokia Solutions And Networks Oy 11
#5 Jussi-Pekka Koskinen Nokia Technologies Oy 10
#6 Lars Dalsgaard Nokia Technologies Oy 9
#7 Marko Niemi Mediatek Singapore Pte. 8
#7 Ilkka Keskitalo Nokia Technologies Oy 8
#7 Antti Keränen Tactotek Oy 8
#10 Jarkko Koskela Nokia Technologies Oy 7
#11 Vinh Van Phan Nokia Solutions And Networks Oy 6
#12 Samuli Hallikainen Nordic Semiconductor Asa 4
#12 Timo Koskela Broadcom 4
#12 Matti Moisanen Mediatek Singapore Pte. 4
#15 Hannu Kinnunen Polar Electro Oy 3
#15 Ashley Colley Nokia Technologies Oy 3
#15 Harri Laakkonen Oura Health Oy 3
#15 Petri Soronen Nokia Technologies Oy 3
#15 Mikko S. Komulainen Intel 3
#15 Ari Karkkainen Braggone Oy 3
#15 Eeva Lahetkangas Nokia Solutions And Networks Oy 3
#15 Joni Jäntti Ericsson 3
#15 Matan Keret Nice 3
#15 Paavo Niskala Tactotek Oy 3
#25 Jarkko Leivo Optitune Oy 2
#25 Milja Hannu-Kuure Optitune Oy 2
#25 Kauko Heinikoski Ericsson 2
#25 Timo Tervo Nokia 2
#25 Jarkko Paso NVIDIA 2
#25 Jaakko Sitomaniemi Mediatek Singapore Pte. 2
#25 Marko Pessa Ericsson 2
#25 Jukka Kyrolainen Keysight Technologies 2
#25 Timo KOSKELA Nokia Technologies Oy 2
#25 Tuomas Paso Oulun Yliopisto 2
#25 Outi Tolonen Vactech Oy 2
#25 Kari Veikko Horneman Nokia Solutions And Networks Oy 2
#25 Kari Kaarela Core Wireless Licensing S.A.R.L. 2
#25 Kirmo Koistinen Core Wireless Licensing S.A.R.L. 2
#25 Tarmo Ruotsalainen Nokia 2
#25 Leena HIRVELÄ Forendo Pharma 2
#41 Markku Isoaho 1
#41 Jarmo Torvinen Polar Electro Oy 1
#41 Jorma Ikäheimo Exfo Oy 1
#41 Jaakko Eino Ilmari Vihriala Nokia Technologies Oy 1
#41 Olli Piirainen Nokia 1
#41 Mikko Viitanen 1
#41 Pekka Jalovaara 1
#41 Tommy Granlund Polar Electro Oy 1
#41 Tapani Vähänen Unknown 1
#41 Tuomas Pöyhtäri 1