Application of a multi-DOF ultrasonic servomotor in an auditory tele-existence robot. - Hiroshi Kawano; Hideyuki Ando; Tatsuya Hirahara; Cheolho Yun; Sadayuki Ueha (IEEE Trans. Robotics, 2005)

A 2 x 2 array of the multi-degree-of freedom ultrasonic actuators for a low profile two-dimensional sliding table. - Yasuyuki Goda; Daisuke Koyama; Kentaro Nakamura; Sadayuki Ueha (IEICE Electron. Express, 2009)