Assignee

DIGIMARC ID SYSTEMS

US·2 granted patents·164 citations·filing 2000–2002

Technology mixG06K2 B42D1

Top patents by PatentIndex Score

2 records

0192US6817530B2Multiple image security features for identification documents and methods of making sameDIGIMARC ID SYSTEMS·Filed 2002·Granted Nov 16, 2004·114 cites·27 claims
0284US6923378B2Identification cardDIGIMARC ID SYSTEMS·Filed 2000·Granted Aug 2, 2005·50 cites·25 claims

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