P
PatentIndex
Search
Landscape
Sign in
Inventor
EFFING WOLFGANG
DE
5 patents
⚠️ This page may combine multiple inventors who share the name “EFFING WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAO GES AUTOMATION ORG
2 patents
US5818738A
Oct 6, 1998
Method for testing the authenticity of a data carrier having an integrated circuit
GAO GES AUTOMATION ORG
125 citations
94
US4853526A
Aug 1, 1989
Data carrier arrangement having an integrated circuit
GAO GES AUTOMATION ORG
22 citations
78
GIESECKE & DEVRIENT GMBH
2 patents
US5850524A
Dec 15, 1998
Method for testing the authenticity of a data carrier
GIESECKE & DEVRIENT GMBH
7 citations
70
US7636438B1
Dec 22, 2009
Data medium authentication method
GIESECKE & DEVRIENT GMBH
2 citations
59
KOLZENBURG ULRICH
1 patent
US8332834B2
Dec 11, 2012
Generation of a program code in a load format and provision of an executable program code
KOLZENBURG ULRICH
0 citations
26