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Shigeru Sakamoto is a pioneering figure in construction robotics, best known for his foundational work on automating the painting of high-rise building exteriors. His research, conducted in the late 1980s and early 1990s, focused on the mechanical design, planning, and practical deployment of specialized robots for this hazardous and labor-intensive task. Sakamoto’s major contribution was the development and successful field testing of Japan’s first robot for repainting the exterior walls of the Shinjuku Center Building—a 54-story, 219.5-meter skyscraper. This achievement demonstrated that a robot could operate safely and effectively at extreme heights, replacing human workers in dangerous conditions. His most-cited paper (1988, 4 citations) introduced the initial concept, while subsequent works (1989, 3 citations; 1990, 3 citations) provided detailed mechanical planning and actual test results, proving the robot’s viability. Although his citation counts are modest, Sakamoto’s work laid critical groundwork for modern construction automation, influencing subsequent developments in facade maintenance and robotic painting systems. His pioneering efforts remain a notable early milestone in the field.