Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Iffeldorf, DE ranks #9,703 worldwide for total patents filed all time, with 209 patents from 34 inventors. Leading employers of inventors based in Iffeldorf, DE include Hilti Aktiengesellschaft, Siemens Aktiengesellschaft, Roche Diagnostics Operations.

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 Hans-Werner Bongers-Ambrosius Hilti Aktiengesellschaft 35
2 Stefan Fischer Siemens Aktiengesellschaft 30
3 Barbara Upmeier Roche Diagnostics Operations 25
#4 Josef Nossek Siemens Aktiengesellschaft 16
#5 Thomas Emrich Hoffmann-La Roche 15
#6 Wolfgang Friess BOE 9
#7 Dorothea Sizmann Roche Molecular Systems 8
#7 Ernst Mosig Webasto-Werk W. Baier Gmbh & 8
#9 Michaela Windfuhr Roche Diagnostics Operations 7
#10 Martina Junius-Comer BOE 6
#11 Detlef Eisenkraetzer Hoffmann-La Roche 5
#12 Wolfgang Friess Infineon Technologies Ag 4
#12 Silke Hansen Hoffmann-La Roche 4
#12 Augustin Rampp Linde Gmbh 4
#15 Armin Giebel 3
#15 Regina Greger Medi&Gene 3
#15 Christine Jung Roche Diagnostics Operations 3
#15 Dorothea Ambrosius BOE 3
#19 Renate Kolb Roche Diagnostics Operations 2
#19 Jan Strejcek BOE 2
#19 Barbara Upheimer Roche Diagnostics Gmbh 2
#19 Heike Diegel Nokia Siemens Networks 2
#19 Andreas Görmer Iwis Motorsysteme 2
#24 Alois Ambrugger Siemens Aktiengesellschaft 1
#24 Sabine Nussbaum Roche Diagnostics Gmbh 1
#24 Florian Grupp Roche Diagnostics Operations 1
#24 Gunther Wegele 1
#24 Sabine Bertl Hoffmann-La Roche 1
#24 Bernd Schwer Marker Deutschland Gmbh 1
#24 Adolf Wildt 1
#24 Siegfried Beulich BMW 1
#24 Sebastian Aigner Siemens Aktiengesellschaft 1
#24 Lena Doehl Eos Gmbh Electro Optical Systems 1
#24 Sebastian Von Kummer Bsh Hausgeräte Gmbh 1