Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Diez, DE ranks #5,087 worldwide for total patents filed all time, with 522 patents from 81 inventors. Leading employers of inventors based in Diez, DE include Robert Bosch Gmbh, U.S. Philips, Alcatel.

Showing 1–50 of 81 inventors

Rank Inventor Primary Company Patents
1 Ernst Wild Robert Bosch Gmbh 84
2 Norbert Kunze U.S. Philips 61
3 Gerald Hofer Robert Bosch Gmbh 45
#4 Wolfgang Lautenschlager Alcatel 33
#5 Manfred Weis Fresenius Medical Care Deutschland Gmbh 32
#6 Eckehart Schulze Hartmann & Laemmle Gmbh & Co. Kg 26
#7 Wolfgang Laux Lts Lohmann Therapie-Systeme Ag 20
#8 Sven Holl Spawnt Private S.À.R.L. 13
#9 Reinhard Kunert Dr. Ing. H.C. F. Porsche Ag 12
#10 Ludwig Axthammer Fichtel & Sachs 9
#10 Thomas Quirein Accuride International Gmbh 9
#12 Timo Tries Bosch Mahle Turbo Systems Gmbh & Go. Kg 8
#13 Norbert Klupfel Skf Kugellagerfabriken Gmbh 7
#13 Leonhard Hagedorn Leifheit Ag 7
#15 Otmar Schon Hydac Filtertechnik Gmbh 6
#15 Marcus Busch Trumpf Sachsen Gmbh 6
#15 Hartmut Kittel Robert Bosch Gmbh 6
#15 Karl-Heinz Hauser Messerschmitt Bolkow Blohm Gmbh 6
#15 Jiri Dokoupil 6
#20 Joachim Göbel Sram Deutschland Gmbh 5
#20 Torsten Radon Gsi Helmholtzzentrum Fuer Schwerionenforschung Gmbh 5
#20 Werner Christel Fichtel & Sachs 5
#20 Winrich Habedank Black & Decker 5
#24 Gunter Christ Basf Fuel Cell Gmbh 4
#24 Romain Friot Grammer Ag 4
#24 Steve Emter Grammer Ag 4
#24 Femke Piening Grammer Ag 4
#24 Manuela Schuster Grammer Ag 4
#24 Josef Stark Skf Kugellagerfabriken Gmbh 4
#30 Michael Kübler Watlow Electric Manufacturing 3
#30 Hans-Georg Stender Rexroth Star Gmbh 3
#30 Walter Weiler Passavant-Werke Ag & Co. Kg 3
#30 Klaus Hoermandinger Dr. Ing. H.C. F. Porsche Ag 3
#30 Stefan Wessels Audi Ag 3
#35 Holger Müller Diasys Diagnostic Systems Gmbh 2
#35 Walter Grimmel 2
#35 Alexander Pothoven Mc Micro Compact Car Ag 2
#35 Wolfgang Zag Audi Ag 2
#35 Jens Quittenbaum Dr. Ing. H.C. F. Porsche Ag 2
#35 Dirk Handtrack Plansee Se 2
#35 Rolf Frech Dr. Ing. H.C. F. Porsche Ag 2
#35 Stephan Lawitzki Dr. Ing. H.C. F. Porsche Ag 2
#35 Matthias Emanuel Bowe Bell & Howell 2
#35 Frank Biebricher 2
#35 Karl Langlois Dr. Ing. H.C. F. Porsche Ag 2
#35 Gerhard Kirchdorffer Dr. Ing. H.C. F. Porsche Ag 2
#35 Ulrich Denter Leifheit Ag 2
#35 Andreas Gubner Ballard Power Systems 2
#35 Matthias Knopp Endress+Hauser Conducta Gmbh+Co. Kg 2
#35 Edmund Thiemer Basf Fuel Cell Gmbh 2