Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kempele, FI ranks #2,534 worldwide for total patents filed all time, with 1,224 patents from 222 inventors. Leading employers of inventors based in Kempele, FI include Nokia Technologies Oy, Tactotek Oy, Pulse Finland Oy.

Showing 1–50 of 222 inventors

Rank Inventor Primary Company Patents
1 Sami-Jukka Hakola Nokia Technologies Oy 220
2 Jarmo Sääski Tactotek Oy 57
3 Petteri Annamaa Pulse Finland Oy 55
#4 Seppo Ilmari Vesterinen Nokia Solutions And Networks Oy 50
#5 Olli Komulainen Polar Electro Oy 31
#6 Tomi Simula Tactotek Oy 29
#7 Antti Kangas Nokia 25
#8 Matti Tapani Kiiski Nokia Solutions And Networks Oy 24
#9 Lauri Lumme Polar Electro Oy 19
#9 Heikki Korva Pulse Finland Oy 19
#11 Pasi Raappana Tactotek Oy 18
#12 Jarkko Torvinen Tactotek Oy 15
#12 Pertti Nissinen Pulse Finland Oy 15
#14 Seppo Korkala Polar Electro Oy 13
#14 Teemu Sipila Nokia 13
#14 Jari Miettinen Polar Electro Oy 13
#17 Veli-Matti Sarkka 12
#17 Juha-Matti Hintikka Tactotek Oy 12
#19 Tero Heikkinen Tactotek Oy 11
#19 Jukka Puoskari Intel 11
#21 Janne Asikkala Tactotek Oy 10
#21 Sami Hakola Xiaomi 10
#21 Hannu Kauniskangas Nokia 10
#21 Markku Karjalainen Polar Electro Oy 10
#21 Heikki Tuovinen Tactotek Oy 10
#21 Ville Wallenius Tactotek Oy 10
#27 Outi Rusanen Tactotek Oy 9
#27 Johanna Juvani Tactotek Oy 9
#27 Tero Rajaniemi Tactotek Oy 9
#27 Kari Vierimaa Siemens Industry Software 9
#31 Tuomas Heikkilä Tactotek Oy 8
#31 Janne Nurminen Nokia 8
#31 Kimmo Ervasti Lk Products Oy 8
#34 Pauli Nappa Lk Products Oy 7
#34 Tapio Mäkelä Teknologian Tutkimuskeskus Vtt Oy 7
#34 Pasi Laitinen Nokia 7
#34 Markku Tiihonen Adc Solitra Oy 7
#34 Jukka Jaatinen Polar Electro Oy 7
#34 Antti Lilja Nokia 7
#34 Minna Pirkonen Tactotek Oy 7
#34 Heikki Oukka Intermec Ip 7
#42 Elli Birr 6
#42 Esa Tuulari Polar Electro Oy 6
#42 Ilkka Heikura Pulse Finland Oy 6
#42 Mika SILVOLA Coriant Oy 6
#42 Juha Vaihoja 6
#42 Arto Rukajärvi Nokia 6
#42 Martti Yrjana 6
#42 Seppo Yrjola Lk Products Oy 6
#50 Timo Sarkkinen Elektrobit System Test Oy 5