Usability testing of home network application in Hotel 2007 Q4
	Research about AV machine input method 2007 Q2
	User research on DTV remote control unit and OSD 2006 Q2
	Usability research of DTV application 2006 Q2
	LG electronics Digital TV - Digital TV - Touch screen UT 2006
	LG electronics Digital TV - Input Device layout UT 2006
	Usability diagnosis and UI Consulting of IPTV 2005 Q3 2006 Q4
	KT HomeN IPTV - Usability Consulting 2005
	ID DIGITAL Set-top Box - Usability Research with Foreigner 2002
	UX research and developing concept about Digital set-top box 2002 Q1