Kohei Nagai

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About

Kohei Nagai is a pioneering figure in micro-mechanical systems, with a career dedicated to the precision manufacturing of three-dimensional microstructures. His research centers on the integration of novel fabrication and assembly techniques, specifically focusing on the development of advanced mechanical tools for micro-scale construction. Nagai’s major contributions include the invention of the multi-face FAB (fast atom beam) method, which uses a non-contact mask and intermittent rotation to pattern-etch multiple faces of a workpiece, enabling true 3-D micro-structure creation. He also designed the co-focus rotational robot, a system that coordinates multiple tools for complex micro-assembly tasks. Though his most cited works—such as “Construction of 3-D micro structure by multi-face FAB” (7 citations) and “Integration of 3-D shape construction and assembly” (6 citations)—reflect a niche but foundational impact, they represent early, visionary steps toward automated micro-systems. Nagai’s work is notable for bridging mechanical engineering and robotics, offering practical solutions for building and assembling micro-devices. His legacy lies in laying the groundwork for modern micro-fabrication, inspiring future researchers to push the boundaries of what is mechanically possible at the microscale.