Development of a Pneumatic Passive Lower Back Assist Device with Assist Force Adjustment Function. - Tomoki Toyama; Motohiro Kitaura; Yasuyuki Yamada (AIM, 2022)

High Force-Weight Ratio Lower Back Assistive Device Using Lightweight Design and Passive Pneumatic Mechanism. - Yuri Shinta; Tomoki Toyama; Motohiro Kitaura; Yasuyuki Yamada (J. Robotics Mechatronics, 2025)