A Coaxial Line to Post-Wall Waveguide Transition for a Cost-Effective Transformer between a RF-Device and a Planar Slot-Array Antenna in 60-GHz Band. - Takafumi Kai; Yusuke Katou; Jiro Hirokawa; Makoto Ando; Hiroshi Nakano; Yasutake Hirachi (IEICE Trans. Commun., 2006)

A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide Using a Laminated LTCC Substrate in 60-GHz Band. - Takafumi Kai; Jiro Hirokawa; Makoto Ando; Hiroshi Nakano; Yasutake Hirachi (IEICE Trans. Electron., 2007)

Manufacture and Performance of a 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and the Feed through a Hole in a Silicon Chip. - Jun Asano; Jiro Hirokawa; Hiroshi Nakano; Yasutake Hirachi; Hiroshi Isono; Atsushi Ishii; Makoto Ando (IEICE Trans. Commun., 2013)

A 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and Differentially Fed through a Hole in a Silicon Chip. - Naoya Oikawa; Jiro Hirokawa; Hiroshi Nakano; Yasutake Hirachi; Hiroshi Isono; Atsushi Ishii; Makoto Ando (IEICE Trans. Commun., 2016)