Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Espoo, FI ranks #187 worldwide for total patents filed in 2021, with 717 patents from 392 inventors. Leading employers of inventors based in Espoo, FI include Ericsson, Nokia Solutions And Networks Oy, Fiskars Finland Oy Ab.

Showing 1–50 of 392 inventors

Rank Inventor Primary Company Patents
1 Osman Nuri Can Yilmaz Ericsson 20
2 Timo Erkki Lunttila Nokia Solutions And Networks Oy 18
3 Sami Lyytikäinen Fiskars Finland Oy Ab 14
#4 Mihai Enescu Nokia Technologies Oy 13
#5 Esa Malkamaki Nokia 10
#5 Esa Kuusela 10
#7 Janne Nord 9
#7 Petteri Masalin Fiskars Finland Oy Ab 9
#7 Eva Tois Asm Ip Holding B.V. 9
#10 Ricardo Blasco Serrano Ericsson 8
#11 Patrik Salmela Ericsson 7
#11 Zexian Li Nokia Technologies Oy 7
#11 Henri Markus Koskinen Nokia Solutions And Networks Oy 7
#11 Janne Marin Nokia Technologies Oy 7
#15 Mikko-Ville Laitinen Nokia Technologies Oy 6
#15 Markku Leskelä Asm Ip Holding B.V. 6
#15 Mikko Ritala Asm Ip Holding B.V. 6
#15 Juha S. Korhonen Nokia Technologies Oy 6
#15 Otto Valtteri Pekander GE 6
#20 Timo Koponen Varian Medical Systems 5
#20 Timo Hatanpää Asm Ip Holding B.V. 5
#20 Amaanat ALI Nokia Technologies Oy 5
#20 Klaus Melakari Varjo Technologies 0Y 5
#20 Janne Peisa Ericsson 5
#20 Antti Jaakkola Teknologian Tutkimuskeskus Vtt Oy 5
#20 Esa-Sakari Maatta Microsoft 5
#20 Marko Tuominen Asm Ip Holding B.V. 5
#28 Ulla Kiiski Google 4
#28 Anna Larmo Ericsson 4
#28 Juha Kauppinen 4
#28 Perttu Niemela 4
#28 Haitao Tang Nokia Solutions And Networks Oy 4
#28 Alistair King Kemira Oyj 4
#28 Mika Kasslin Nokia Technologies Oy 4
#28 Mika Rinne Nokia Technologies Oy 4
#28 Tuomas Pensala Teknologian Tutkimuskeskus Vtt Oy 4
#28 Tero Henttonen 4
#28 Elena Virtej Nokia Technologies Oy 4
#39 Miljenko Opsenica Ericsson 3
#39 Maria Cordero Marcos 3
#39 Shaoji Ni Huawei 3
#39 Juuso Olkkonen Dispelix Oy 3
#39 Tapani Makkonen Vtt Technical Research Centre Of Finland 3
#39 Mikko Aleksi Uusitalo Nokia Technologies Oy 3
#39 Markus Isomaki Nokia Technologies Oy 3
#39 Antti Ratilainen Ericsson 3
#39 Hannu Laaksonen 3
#39 Kazi Wali Ullah Ericsson 3
#39 Aarne Oja Kyocera Technologies Oy 3
#39 Lasse Kyllönen Kemira Oyj 3