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About

Hirotaka Sawada is a robotics researcher whose work spans some of the most challenging frontiers in exploration engineering, including space robotics, planetary sampling, and extreme-terrain locomotion. His research has made meaningful contributions to both terrestrial and extraterrestrial robotic systems, with a particular focus on enabling machines to operate in environments inaccessible or hazardous to humans. Sawada's most influential contribution — his passive spine gripper for free-climbing robots, cited 69 times — demonstrated an elegant mechanical solution for navigating rugged cliff faces, advancing the field of bio-inspired locomotion. Equally notable is his work on subsurface excavation, including the lunar earthworm-type robot LEAVO and sub-seafloor excavation systems, addressing the growing demand for underground resource and geological exploration. His involvement in JAXA's Martian Moons Exploration (MMX) mission, contributing to sampler development for Phobos, places him at the forefront of planetary science instrumentation. Earlier in his career, Sawada investigated space robotic systems, including tethered EVA-support robots for the International Space Station and brachiating motion control — foundational work that foreshadowed his later mission-critical designs. Across his portfolio, Sawada exemplifies the blend of mechanical ingenuity and mission-driven engineering that defines modern exploration robotics.