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Inventor
YANG SHIN HAK
KR
2 patents
Patents
2 patents
US8774623B2
Jul 8, 2014
Passive optical network system and method for detecting fault in optical network terminal
YANG SHIN HAK
3 citations
45
US8660422B2
Feb 25, 2014
Combined communication and broadcasting dual switching system and method
YANG SHIN HAK
0 citations
24