Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kerkrade, NL ranks #7,759 worldwide for total patents filed all time, with 289 patents from 69 inventors. Leading employers of inventors based in Kerkrade, NL include Ericsson, Medtronic, Philips.

Showing 1–50 of 69 inventors

Rank Inventor Primary Company Patents
1 Frank Hundscheidt Ericsson 50
2 Heino Hameleers Ericsson 28
3 Vincent Larik Medtronic 25
#4 Nicolaas Lokhoff Medtronic 18
#5 Ralf Dorscheid Philips 11
#6 Danny Hubertus Rosalia Holten Synerscope B.V. 9
#6 Dirk Petring Fraunhofer 9
#8 Jo Linssen Sysmex 6
#8 Tim Lauterbach Ericsson 6
#10 Bernardus H. N. Dassen Stamicarbon B.V. 5
#10 Karel Jozef Wetzels Dsm Ip Assets B.V. 5
#10 Volker Kuhnert U.S. Philips 5
#10 Henricus M. Knuth Medtronic 5
#10 Achim Gerhard Rolf Körber Philips 5
#15 Pierre H. G. Kobben Ranpak 4
#15 Ralph Joseph Meijers Asml Netherlands B.V. 4
#15 Ron Mevissen Microsoft 4
#15 Lodewijk-Jozef Herpers Medtronic 4
#15 Robert Krewinkel Borgwarner 4
#15 Alexandra Snijders Ranpak 4
#21 Benjamin Kuemmel Saint-Gobain Performance Plastics Pampus Gmbh 3
#21 Jacobus Adrianus Engelbertus Johannes Hof Pie Medical Imaging B.V. 3
#21 Robert C. B. Crombach Dsm Ip Assets B.V. 3
#21 Herman J. J. M. Geurts Ciba-Geigy 3
#21 Leonardus Hubertus Postma Stamicarbon B.V. 3
#21 Achim Koerber Philips 3
#21 Annette C. Hoek Holland Sweetener Company, V.O.F. 3
#21 Saskia Haas-Schrijen Oms Investments 3
#21 Horst Larue Forschungszentrum Jülich Gmbh 3
#30 Willem Schlosser Electrochemische Energieconversie N.V. 2
#30 Danny de Kreij Lumileds 2
#30 Jo Lissen Sysmex 2
#30 Cornelis Havenith Unknown 2
#30 Eckhard Geulen Ericsson 2
#30 Petrus C. Cools Microsoft 2
#30 Ricky Kamps Philips 2
#30 Louis H. Widdershoven 2
#30 Wim R. E. Arnts Mayfran International B.V. 2
#30 Willi Foitzik Th. Goldschmidt. Ag 2
#30 Thomas J. G. Pelzer Koniniklijke Philips N.V. 2
#41 Claudia Offermann Siemens Medical Solutions Usa 1
#41 Erik De Klerk 1
#41 Ron Dircks Eagle Industry Co. 1
#41 Martyn David Sly-Jex 1
#41 Johannes Joseph Gregorius Derikx 1
#41 Loek Herpers Medtronic 1
#41 Matthias Jozef Gertruda BROUNS Dsm N.V. 1
#41 Michael W. J. Polz Medtronic 1
#41 Lodewyk-Jozef Herpers Medtronic 1
#41 Miriam K. J. Frohn-Schlosser Stamicarbon B.V. 1