Above knee prosthesis for ascending/descending stairs with no external energy source. - Ryota Fujino; Takayuki Kikuchi; Koichi Koganezawa (RO-MAN, 2017)

Non-Energized Above Knee Prosthesis for Stairs Walking with Synergetic Interaction Between Knee and Ankle Joints. - Takayuki Kikuchi; Ryota Fujino; Kenta Igarashi; Koichi Koganezawa (ROBIO, 2018)

Non-Energized Above Knee Prosthesis Enabling Stairs Ascending and Descending with Hydraulic Flow Controller. - Takayuki Kikuchi; Ryota Fujino; Kenta Igarashi; Koichi Koganezawa (J. Robotics Mechatronics, 2018)