Kimitaka Hase

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About

Kimitaka Hase is a leading researcher in rehabilitation robotics, with a primary focus on developing intelligent assistive technologies for post-stroke gait recovery. His work centers on the intersection of biomechanics, robotic control, and clinical rehabilitation, particularly for individuals with hemiparesis. Hase’s major contribution is the robotization of the double-bar ankle-foot orthosis (AFO), a widely used clinical device. By integrating a modular joint, pneumatic actuator, and Bowden cable force transmission, he transformed a passive brace into an active, adaptive robotic system. This innovation, detailed in his highly cited 2018 paper (17 citations), directly addresses a critical gap in gait rehabilitation: delivering precisely timed plantarflexion assistance. His subsequent 2025 work (1 citation) refines this approach by identifying the optimal assistance timing based on the characteristics of paretic ground reaction force, specifically targeting the peak paretic propulsion timing. This patient-specific, data-driven strategy promises to maximize the therapeutic effect of robotic training, moving beyond generic assistance patterns. Hase’s research is notable for its direct clinical applicability, bridging engineering design with real-world rehabilitation needs to restore natural, efficient walking after stroke.