Assignee

HAN WENYU

2 granted patents·22 citations·filing 2000–2004

Technology mixG06K2 G11B2 B42D1

Top patents by PatentIndex Score

2 records

0173US7104449B2Method and apparatus for patterning cards, instruments and documentsHAN WENYU·Filed 2000·Granted Sep 12, 2006·21 cites·23 claims
0246US7407101B2Card with enhanced security featuresHAN WENYU·Filed 2004·Granted Aug 5, 2008·1 cites·32 claims

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