Inventor
NA DONG-WON
KR9 patents
⚠️ This page may combine multiple inventors who share the name “NA DONG-WON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SK TELECOM CO LTD
7 patentsUS8031770B2Oct 4, 2011
Systems and methods for objective video quality measurements
SK TELECOM CO LTD8 citations81
US7912419B2Mar 22, 2011
Methods and apparatuses for measuring transmission quality of multimedia data
SK TELECOM CO LTD12 citations81
US7894833B2Feb 22, 2011
Method and system for transmitting multimedia message transmitted from transmitting mobile station of higher version to receiving mobile station of lower version
SK TELECOM CO LTD8 citations79
US7802161B2Sep 21, 2010
Method of providing multimedia messaging service using unique message identifier
SK TELECOM CO LTD4 citations59
US7792520B2Sep 7, 2010
Method of transmitting multimedia message in various service environments
SK TELECOM CO LTD5 citations59
US7623959B2Nov 24, 2009
Method and system for providing voice-based supplementary information service using road map data
SK TELECOM CO LTD3 citations59
US7890250B2Feb 15, 2011
Navigation system and controlling method for the motor vehicle
SK TELECOM CO LTD2 citations58