Inventor
SONG HYUN-JONG
KR3 patents
Patents
3 patentsUS8478248B2Jul 2, 2013
Bidirectional information sharing system and method using wireless data network
LEE SE-YONG2 citations56
US9204271B2Dec 1, 2015
System for providing ARS interlocking data using ring data and method thereof
LEE SE-YONG0 citations35
US8892119B2Nov 18, 2014
Automatic position information transmission system and method using wireless data network
LEE SE-YONG0 citations35