A 433-MHz Rail-to-Rail Voltage Amplifier with Carrier Sensing Function for Wireless Sensor Networks. - Takashi Takeuchi; Shinji Mikami; Hyeokjong Lee; Hiroshi Kawaguchi 001; Chikara Ohta; Masahiko Yoshimoto (IEICE Trans. Electron., 2009)

A 58-µW Single-Chip Sensor Node Processor with Communication Centric Design. - Shintaro Izumi; Takashi Takeuchi; Takashi Matsuda; Hyeokjong Lee; Toshihiro Konishi; Koh Tsuruda; Yasuharu Sakai; Hiroshi Kawaguchi 001; Chikara Ohta; Masahiko Yoshimoto (IEICE Trans. Electron., 2010)

A 40-nm 640-µm2 45-dB opampless all-digital second-order MASH ΔΣ ADC. - Toshihiro Konishi; Hyeokjong Lee; Shintaro Izumi; Masahiko Yoshimoto; Hiroshi Kawaguchi 001 (ISCAS, 2011)

A Low-Power Multi Resolution Spectrum Sensing Architecture for a Wireless Sensor Network with Cognitive Radio. - Toshihiro Konishi; Shintaro Izumi; Koh Tsuruda; Hyeokjong Lee; Takashi Takeuchi; Masahiko Yoshimoto; Hiroshi Kawaguchi 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

A Low-Power Multi-Phase Oscillator with Transfer Gate Phase Coupler Enabling Even-Numbered Phase Output. - Toshihiro Konishi; Hyeokjong Lee; Shintaro Izumi; Takashi Takeuchi; Masahiko Yoshimoto; Hiroshi Kawaguchi 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

A Low-Power 65/14nm Stacked CMOS Image Sensor. - Minho Kwon; Seunghyun Lim; Hyeokjong Lee; Il-Seon Ha; Moo-Young Kim; Il-Jin Seo; Suho Lee; Yongsuk Choi; Kyunghoon Kim; Hansoo Lee; Won-Woong Kim; Seonghye Park; et al. (ISCAS, 2020)

Developing an explainable Deep Neural Network for stress detection using biosignals and human-engineered features. - Hyeokjong Lee; Jaewon Kim; Bohyung Han; Sang Min Park; Jooyoung Chang (Biomed. Signal Process. Control., 2025)

Opportunistic AI for enhanced cardiovascular disease risk stratification using abdominal CT scans. - Azka Rehman; Jaewon Kim; Hyeokjong Lee; Jooyoung Chang; Sang Min Park (Comput. Medical Imaging Graph., 2025)