InP HBT voltage controlled oscillator for 300-GHz-band wireless communications. - Jae-Young Kim; Ho-Jin Song; Katsuhiro Ajito; Makoto Yaita; Naoya Kukutsu (ISOCC, 2012)

300-GHz Microstrip-to-Waveguide Transition on a Polyimide Substrate Integrated with an LTCC Substrate Integrated Waveguide. - Takuro Tajima; Ho-Jin Song; Makoto Yaita (IEICE Trans. Electron., 2015)

Prototype of KIOSK Data Downloading System at 300 GHz: Design, Technical Feasibility, and Results. - Ho-Jin Song; Hiroshi Hamada; Makoto Yaita (IEEE Commun. Mag., 2018)