Assignee
HWANG CHANG-YEOP
KR·1 granted patent·1 pending application·2 citations·filing 2004–2005
Top patents by PatentIndex Score
2 records- 0148US8229860B2Payment system and its method for supporting user verification in VoIP configurationHWANG CHANG-YEOP·Filed 2005·Granted Jul 24, 2012·2 cites·19 claims
- 0239US2007027775A1Method for approving electronic payment using the short message service including url call back and system for implementing the sameHWANG CHANG-YEOP·Filed 2004·Application pending·0 cites
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