3D Dynamic Biped Walker with Flat Feet and Ankle Springs: Passive Gait Analysis and Extension to Active Walking. - Tetsuya Kinugasa; Takashi Ito; Hiroaki Kitamura; Kazuhiro Ando; Shinsaku Fujimoto; Koji Yoshida; Masatsugu Iribe (J. Robotics Mechatronics, 2015)

3D Quasi-Passive Walker of Bipedal Robot with Flat Feet Gait Analysis of 3D Quasi-Passive Walking. - Shugo Murai; Shinsaku Fujimoto; Akihiro Yamamoto; Tetsuya Kinugasa (ICMSSP, 2016)

Three-dimensional dynamic bipedal walking based on passive dynamic walking mechanism using telescopic knee via phase oscillator with ground reaction force. - Tetsuya Kinugasa; Tomoki Tada; Yuki Yokoyama; Koji Yoshida; Ryota Hayashi; Shinsaku Fujimoto (Artif. Life Robotics, 2019)