HF

Hans-Joachim Frohne

TG Trw Automotive Electronics And Components Gmbh: 3 patents #18 of 130Top 15%
LK Leopold Kostal Gmbh & Co. Kg: 2 patents #51 of 226Top 25%
Volkswagen: 2 patents #811 of 3,450Top 25%
MG Marquardt Gmbh: 1 patents #68 of 191Top 40%
📍 Lehre, DE: #7 of 120 inventorsTop 6%
Overall (All Time): #752,069 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7617708 Ignition lock for a motor vehicle and method of operating an ignition lock system Ralf Borngräber, Steffen Buhl, Dennis Meβmer, Thomas Schwarz 2009-11-17
7394034 Electric push-button switch with lighting arrangement Jens Ostendorf, Juergen Girke 2008-07-01
7297889 Rotary switch Dieter Bornhorst, Klaus Mueller 2007-11-20
7292916 Method for operation of a vehicle and corresponding device Ralf Borngräber 2007-11-06
6680450 Electric switch with damping elements to minimize switching noise Klaus Muller, Jurgen Girke 2004-01-20
RE36834 Electrical switch Thomas Kossakowski, Hubert Gerbersmann, Michael Barwanitz, Stefan Müller 2000-08-29
5565663 Electrical Switch Thomas Kossakowski, Hubert Gerbersmann, Michael Barwanitz, Stefan Müller 1996-10-15