A power-efficient digital amplifier using input dependent bit flipping for portable audio systems. - Ki-Ho Kong; Yong-Wook Kim; Suki Kim; Kwang-Hyun Baek (IEEE Trans. Consumer Electron., 2010)

Single-package motion gesture sensor for portable applications. - Ki-Ho Kong; Yong Sin Kim; Ju Eon Kim; Suki Kim; Kwang-Hyun Baek (IEEE Trans. Consumer Electron., 2013)