Assignee

YANG CHEE-HWAN

KR·2 granted patents·0 citations·filing 2005–2008

Technology mixH04B2 G06K1 H04M1 H04W1

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2 records

0144US8320963B2Subscriber identity module card and terminal device having the sameYANG CHEE-HWAN·Filed 2008·Granted Nov 27, 2012·0 cites·19 claims
0232US8200154B2System, apparatus and method to control output of radio frequency signalYANG CHEE-HWAN·Filed 2005·Granted Jun 12, 2012·0 cites·12 claims

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