Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hanau, DE ranks #1,677 worldwide for total patents filed in 2017, with 78 patents from 46 inventors. Leading employers of inventors based in Hanau, DE include Heraeus Deutschland, Merck, Evonik Degussa Gmbh.

Showing 1–46 of 46 inventors

Rank Inventor Primary Company Patents
1 Ulrich Hausch Heraeus Deutschland 5
1 Holger Winkler Merck 5
3 Jan Christoph Pfeffer Evonik Degussa Gmbh 4
3 Manfred Walter Chemetall Gmbh 4
3 Nicolas Beisser Fresenius Medical Care Deutschland Gmbh 4
#6 Klaus Becker Heraeus Quarzglas 3
#6 Jan Hendrik Schattka Evonik Röhm Gmbh 3
#6 Annika Frey Umicore Ag & Co. Kg 3
#9 Alexander Usoskin Bruker Hts Gmbh 2
#9 Matthias Katter Vacuumschmelze Gmbh & Co. Kg 2
#9 Stefan Meyer Carl Zeiss Microscopy Gmbh 2
#9 Gregor Anton Meissner The Procter & Gamble 2
#9 Matthias Müller Rittal Gmbh & Co. Kg 2
#9 Jörg Becker Heraeus Quarzglas 2
#9 Markus Jung Heraeus Deutschland 2
#9 Wolfgang Weimar Henkel Ag & Co. Kgaa 2
#9 Imad Moussallem Evonik Degussa Gmbh 2
#18 Heiko Specht Heraeus Deutschland 1
#18 Julia Boesel The Procter & Gamble 1
#18 Patrik Stenner Evonik Degussa Gmbh 1
#18 Heribert NETZER Veritas Ag 1
#18 Jochen Heilingbrunner Singulus Technologies Ag 1
#18 Stephan Humm Heraeus Deutschland 1
#18 Friedrich Lenhard Vacuumschmelze Gmbh & Co. Kg 1
#18 Berthold Ocker Leybold Gmbh 1
#18 Sabine Schmidt Degussa Ag 1
#18 Christel Rueger Sap Se 1
#18 Joachim Kralik Bayer Healthcare 1
#18 Peter Klemm Schuler Pressen Gmbh 1
#18 Waltraud Werdecker Heraeus Quarzglas 1
#18 Philipp Roth Alstom Technology 1
#18 Frank Mekiska 1
#18 Henning Buchold Lurgi Gmbh 1
#18 Frank Jurisch Vacuumschmelze Gmbh & Co. Kg 1
#18 Holger Schwenk Vacuumschmelze Gmbh & Co. Kg 1
#18 Marcel Martini Fraunhofer 1
#18 Jose Manuel DIEGUEZ-CAMPO Applied Materials 1
#18 Alberto BRACCHI Vacuumschmelze Gmbh & Co. Kg 1
#18 Kai-Ulrich Boldt Heraeus Deutschland 1
#18 Tobias Banert Evonik Degussa Gmbh 1
#18 Matthias Frericks W.C. Heraeus Gmbh & Co. Kg 1
#18 Stefan Schibli Heraeus Deutschland 1
#18 Cameron Read Norma Germany Gmbh 1
#18 Michael Boos Leybold-Heraeus Gmbh 1
#18 Larisa von Riewel Thomson Licensing 1
#18 Heinz Fabian Heraeus Quarzglas 1