Naohiro Morimoto

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About

Naohiro Morimoto is a leading figure in soft robotics and smart materials, renowned for pioneering the integration of shape-memory polymers (SMPs) into pneumatic actuators. His most-cited work, "Pneumatic artificial rubber muscle using shape-memory polymer sheet with embedded electrical heating wire" (2014, 89 citations), introduced a transformative approach to soft actuation. Morimoto demonstrated that SMPs could be deformed under a small load above their glass transition temperature (Tg), then locked into a new shape upon cooling, and precisely returned to a predefined form when reheated. By embedding electrical heating wires into SMP sheets combined with pneumatic rubber muscles, he created actuators with tunable stiffness and programmable deformation—a breakthrough for adaptive robotics and biomedical devices. This work bridges material science and mechanical engineering, enabling safer, more versatile robots that can alter their rigidity on demand. Morimoto’s contributions have significantly advanced the field of soft robotics, offering elegant solutions for applications requiring both flexibility and structural integrity. His research continues to inspire innovations in wearable assistive devices and morphing structures, solidifying his reputation as a key innovator in smart material-driven actuation.