Pitch contour control in Japanese conversational speech. - Katsuhiko Shirai; Kazuhiko Iwata; Takeshi Ohno (ICASSP, 1986)

A Variable Phase Shifter Using a Movable Waffle Iron Metal Plate and Its Applications to Phased Array Antennas. - Hideki Kirino; Koichi Ogawa; Takeshi Ohno (IEICE Trans. Commun., 2008)