Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Witten, DE ranks #3,916 worldwide for total patents filed in 2021, with 29 patents from 24 inventors. Leading employers of inventors based in Witten, DE include Grohe Ag, BOE, Covestro Deutschland Ag.

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Turgut Kinikarslan Grohe Ag 2
1 Holger Holakovsky BOE 2
1 Levent Akbas Covestro Deutschland Ag 2
1 Stefan Grävingholt Khs Gmbh 2
1 Maike Brede Vorwerk & Co. Interholding Gmbh 2
#6 Simon Hetmaniok Zf Friedrichshafen Ag 1
#6 Robert Maassen Gkn Sinter Metals Engineering Gmbh 1
#6 Cem Olkay Dirak Dieter Ramsauer Konstruktionselemente Gmbh 1
#6 Lars Bonitz 1
#6 Florian Wirkert 1
#6 Uwe Arlitt Weidmüller Interface Gmbh & Co. Kg And Ph 1
#6 Daniel Klagges Kostal Automobil Elektrik Gmbh & Co. Kg 1
#6 Ralf Sperlich Zf Friedrichshafen Ag 1
#6 Frank Zagromski Adient Engineering And Ip Gmbh 1
#6 Hartwig Schneider Pilkington Group Limited 1
#6 Kai Brensel Kostal Automobil Elektrik Gmbh & Co. Kg 1
#6 Anastasia Özkan Gkn Sinter Metals Engineering Gmbh 1
#6 Dorothea Kolossa Honda Research Institute Europe Gmbh 1
#6 Giorgio Maurizio Fraunhofer 1
#6 Roger Uhlenbrock 1
#6 Thomas Juestel Philips 1
#6 Julian Ollesch 1
#6 Gabriel Kolek Thyssenkrupp Ag 1
#6 Thomas Justel Philips 1