Patient Simulation: Handrail Position for Knee-OA Patients Considering Physical Burden and Stability. - Chongyang Qiu; Shogo Okamoto; Naomi Yamada; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2019)

Encouragement of Squat-Lifting: Feasibility Study of a Highly Usable Passive Knee Assistive Device. - Chen-Yu Cheng; Shogo Okamoto; Pengcheng Li; Yasuhiro Akiyama; Chongyang Qiu; Yoji Yamada (SII, 2020)

Lower-limb moments during sit-to-stand movement with different handrail grip position and trunk tilt angle. - Chongyang Qiu; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (SII, 2020)

Application of Supervised Principal Motion Analysis to Evaluate Subjectively Easy Sit-to-Stand Motion of Healthy People. - Chongyang Qiu; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Access, 2021)

Visualization of Escher-like Spiral Patterns in Hyperbolic Space. - Chongyang Qiu; Xinfei Li; Jianhua Pang; Peichang Ouyang (Symmetry, 2022)