WR

Wolfgang Rankl

GG Giesecke & Devrient Gmbh: 11 patents #29 of 507Top 6%
GG Giesecke+Devrient Mobile Security Gmbh: 1 patents #61 of 157Top 40%
Overall (All Time): #417,196 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
10074087 Method for carrying out a transaction between a portable data carrier and a terminal Klaus Finkenzeller 2018-09-11
9588907 Initial operation of a portable data carrier Michael Baldischweiler 2017-03-07
9413428 Transaction system Klaus Finkenzeller 2016-08-09
8981900 Method, portable data carrier, and system for releasing a transaction using an acceleration sensor to sense mechanical oscillations Klaus Finkenzeller 2015-03-17
8838925 Method for securely storing data in a memory of a portable data carrier 2014-09-16
8803658 Method, portable data carrier, and system for releasing a transaction using an acceleration sensor to sense mechanical oscillations Michael Baldischweiler 2014-08-12
8433928 Personalization of portable data storage media Alexander Grebe, Andreas Kitzmann, Claus Ebner 2013-04-30
8346215 Retrospective implementation of SIM capabilities in a security module Dieter Weiss 2013-01-01
7636438 Data medium authentication method Michael Lamla, Hermann Drexler, Franz Weikmann, Wolfgang Effing 2009-12-22
7181602 Method for exchanging at least one secret initial value between a processing station and a chip card 2007-02-20
5850524 Method for testing the authenticity of a data carrier Michael Lamla, Franz Weikmann, Wolfgang Effing 1998-12-15
5534683 System for conducting transactions with a multifunctional card having an electronic purse Dieter Weiss 1996-07-09