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Inventor
WU JIANN-DONG
TW
3 patents
⚠️ This page may combine multiple inventors who share the name “WU JIANN-DONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JRSYS INTERNAT CORP
2 patents
US8832448B2
Sep 9, 2014
Dual-channel electronic signature system using image codes and related computer program product
JRSYS INTERNAT CORP
5 citations
61
US9066027B2
Jun 23, 2015
Picture delivering system based on visual cryptography and related computer program product
JRSYS INTERNAT CORP
0 citations
34
WU JIANN DONG
1 patent
US8756425B2
Jun 17, 2014
Data security authentication system and related multi-function memory card and computer program product
WU JIANN DONG
0 citations
24