Inventor
WON YOO-HOON
KR5 patents
Patents
5 patentsUS8756126B2Jun 17, 2014
Billing device and processing method
CHOI BYOUNG-CHEOL13 citations90
US8463841B2Jun 11, 2013
Legacy cooperation device and processing method
CHOI BYOUNG-CHEOL5 citations82
US8229998B2Jul 24, 2012
Open interface device and method
CHOI BYOUNG-CHEOL6 citations82
US8073932B2Dec 6, 2011
Business logic device and processing method
CHOI BYOUNG-CHEOL11 citations82
US8230040B2Jul 24, 2012
Open mobile business supporting system and method
CHOI BYOUNG-CHEOL2 citations60