On the Parameter Estimation of Exponentially Damped Signal in the Noisy Circumstance. - Yongmei Li; Kazunori Sugahara; Tomoyuki Osaki; Ryosuke Konishi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Elevator available voice activated wheelchair. - Akira Murai; Masaharu Mizuguchi; Takeshi Saitoh; Tomoyuki Osaki; Ryosuke Konishi (RO-MAN, 2009)