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Inventor
HAN CHANGMOON
KR
2 patents
Patents
2 patents
US7529206B2
May 5, 2009
Method and system for notifying 1xEV-DO system of switching from 1xEV-DO system to 1X system
SK TELECOM CO LTD
10 citations
78
US9750073B2
Aug 29, 2017
Device and method for concurrent call avoidance
SK TELECOM CO LTD
0 citations
32