Toshihisa Naruse

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About

Toshihisa Naruse is a pioneering figure in underwater robotics, with a career dedicated to advancing automation in harsh marine environments. His research focuses on seawater hydraulic systems and bottom-reliant underwater robots, addressing critical challenges in subsea construction and manipulation. Naruse’s most influential contribution is the development of a seawater hydraulic actuator system for underwater manipulators (1991, 33 citations), which replaced traditional oil-based hydraulics with seawater as the working fluid. This innovation significantly reduced environmental contamination and enabled more compact, efficient subsea robots, directly impacting deep-sea exploration and offshore engineering. His work on the rubble leveling robot (1988, 4 citations) demonstrated early applications of robotics in underwater construction, automating tasks like breakwater foundation mound leveling that previously required dangerous manual diver labor. Later, his development of bottom-reliant type underwater robots (2014, 5 citations) drew inspiration from Japan’s 1960s-70s ocean development initiatives, including the underwater bulldozer, to create vehicles that could crawl along the seafloor for stable, precise operations. Naruse’s contributions have laid foundational principles for modern underwater robotics, merging hydraulic innovation with practical construction needs.