Inventor · disambiguated record
Wolfgang Rankl
Also filed as: RANKL WOLFGANG
12 granted patents·1 pending application·77 citations·filing 1994–2012
86Inventor score
Files withGIESECKE & DEVRIENT GMBH6FINKENZELLER KLAUS2RANKL WOLFGANG2BALDISCHWEILER MICHAEL1GREBE ALEXANDER1
Top patents by PatentIndex Score
13 records- 0157US8838925B2Method for securely storing data in a memory of a portable data carrierRANKL WOLFGANG·Filed 2009·Granted Sep 16, 2014·2 cites·17 claims
- 0257US7181602B1Method for exchanging at least one secret initial value between a processing station and a chip cardGIESECKE & DEVRIENT GMBH·Filed 2000·Granted Feb 20, 2007·6 cites·9 claims
- 0355US9413428B2Transaction systemGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Aug 9, 2016·0 cites·15 claims
- 0450US10074087B2Method for carrying out a transaction between a portable data carrier and a terminalFINKENZELLER KLAUS·Filed 2011·Granted Sep 11, 2018·0 cites·17 claims
- 0547US2007185811A1Authorization of a transactionWEISS DIETER·Filed 2004·Application pending·0 cites
- 0646US9588907B2Initial operation of a portable data carrierBALDISCHWEILER MICHAEL·Filed 2012·Granted Mar 7, 2017·0 cites·17 claims
- 0746US5534683ASystem for conducting transactions with a multifunctional card having an electronic purseGIESECKE & DEVRIENT GMBH·Filed 1994·Granted Jul 9, 1996·60 cites·7 claims
- 0845US8346215B2Retrospective implementation of SIM capabilities in a security moduleGIESECKE & DEVRIENT GMBH·Filed 2006·Granted Jan 1, 2013·0 cites·13 claims
- 0942US8981900B2Method, portable data carrier, and system for releasing a transaction using an acceleration sensor to sense mechanical oscillationsFINKENZELLER KLAUS·Filed 2010·Granted Mar 17, 2015·0 cites·15 claims
- 1038US8803658B2Method, portable data carrier, and system for releasing a transaction using an acceleration sensor to sense mechanical oscillationsRANKL WOLFGANG·Filed 2010·Granted Aug 12, 2014·0 cites·11 claims
- 1134US5850524AMethod for testing the authenticity of a data carrierGIESECKE & DEVRIENT GMBH·Filed 1995·Granted Dec 15, 1998·7 cites·26 claims
- 1233US8433928B2Personalization of portable data storage mediaGREBE ALEXANDER·Filed 2007·Granted Apr 30, 2013·0 cites·12 claims
- 1328US7636438B1Data medium authentication methodGIESECKE & DEVRIENT GMBH·Filed 1998·Granted Dec 22, 2009·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →