Electromagnetic Bandgap (EBG) Structures Using Open Stubs to Suppress Power Plane Noise. - Hiroshi Toyao; Noriaki Ando; Takashi Harada (IEICE Trans. Commun., 2010)

A Compact MIMO Antenna System Using Split-Ring Resonator Antennas. - Keishi Kosaka; Hiroshi Toyao; Eiji Hankui (IEICE Trans. Commun., 2017)