Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oulu, FI ranks #454 worldwide for total patents filed all time, with 7,158 patents from 1,407 inventors. Leading employers of inventors based in Oulu, FI include Nokia Solutions And Networks Oy, Nokia Technologies Oy, Broadcom.

Showing 1–50 of 1,407 inventors

Rank Inventor Primary Company Patents
1 Esa Tapani Tiirola Nokia Solutions And Networks Oy 349
2 Kari Pekka Pajukoski Nokia Solutions And Networks Oy 217
3 Kari Juhani Hooli Nokia Solutions And Networks Oy 191
#4 Lars Dalsgaard Nokia Technologies Oy 181
#5 Vinh Van Phan Nokia Solutions And Networks Oy 164
#6 Timo Koskela Broadcom 162
#7 Jussi-Pekka Koskinen Nokia Technologies Oy 127
#7 Jorma Kaikkonen Nokia Technologies Oy 127
#9 Jarkko Koskela Nokia Technologies Oy 121
#10 Ilkka Keskitalo Nokia Technologies Oy 105
#11 Kari Veikko Horneman Nokia Solutions And Networks Oy 102
#12 Olli Piirainen Nokia 72
#13 Timo KOSKELA Nokia Technologies Oy 62
#14 Marko Niemi Mediatek Singapore Pte. 54
#15 Antti Keränen Tactotek Oy 48
#16 Juha Ylitalo Nokia 43
#16 Kari Niemela Nokia 43
#18 Arto Karjalainen Farmos-Yhtyma Oy 42
#19 Pertti Salmi Nokia 41
#20 Seppo Rousu Broadcom 40
#20 Heikki Huomo Nokia 40
#22 Seppo Alanara 38
#23 Seppo Nissila Polar Electro Oy 35
#23 Markku Vimpari Nokia 35
#25 Matti Einari Laitila Nokia Solutions And Networks Oy 34
#26 Hannu Kinnunen Polar Electro Oy 33
#26 Vinh Van Phan 33
#28 Matan Keret Nice 32
#29 Marcos Katz Nokia 31
#29 Harri Posti 31
#31 Jorma Lilleberg Nokia 29
#32 Jari Hulkkonen Nokia Technologies Oy 28
#32 Szymon Sasin NVIDIA 28
#34 Matti Moisanen Mediatek Singapore Pte. 27
#35 Antti Ruha Nokia 26
#36 Jukka-Tapani Makinen Interdigital Madison Patent Holdings, Sas 25
#37 Jukka Parkkinen Nokia 24
#37 Jyri Hamalainen Nokia 24
#37 Kari Kaarela Core Wireless Licensing S.A.R.L. 24
#37 Pasi Eino Tapio Kinnunen Nokia Solutions And Networks Oy 24
#37 Kauko O. A. Kurkela Farmos Group 24
#42 Mikko S. Komulainen Intel 23
#43 Juha Lipponen Metso Paper 22
#43 Mikko Makela Nokia 22
#43 Kimmo Koskiniemi Pulse Finland Oy 22
#43 Jorma Matero 22
#47 Ari Karkkainen Braggone Oy 21
#47 Jyrki Mikkola Filtronic Lk Oy 21
#47 Aimo Turunen Lk Products Oy 21
#50 Sami Ronkainen Nokia 20