Qwerty-like 3x4 keypad layouts for mobile phone. - Sunyu Hwang; Geehyuk Lee (CHI Extended Abstracts, 2005)

FeelTip: tactile input device for small wearable information appliances. - Sunyu Hwang; Geehyuk Lee; Buyong Jeong; Woohun Lee; Ilyeon Cho (CHI Extended Abstracts, 2005)

Visualizing Spray Paint Deposition in VR Training. - Daeseok Kim; Youngwoo Yoon; Sunyu Hwang; Geehyuk Lee; Jinah Park (VR, 2007)

Virtual Reality based Paint Spray Training System. - Ungyeon Yang; Gun A. Lee; Seonhyung Shin; Sunyu Hwang; Wookho Son (VR, 2007)