Mataiti KOJIMA

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About

Mataiti Kojima is a pioneering researcher in construction robotics, with a focused expertise in automated welding systems for structural steelwork. His most notable contribution is the development and field application of a column-field-welding robot, a dual-robot system capable of symmetric, five-axis movement along a rail mounted around building columns. This innovation was first deployed in the construction of the Anzen-Eisei-Sogou Center, where it automated the critical process of column-to-column welding, significantly improving precision and safety on site. Though his seminal 1999 paper on the subject has garnered 3 citations, its true impact lies in its practical demonstration of robotics in real-world high-rise construction—a domain where automation remains challenging. Kojima’s work represents an early and influential step toward integrating intelligent, self-measuring robotic systems into civil engineering, bridging the gap between laboratory concepts and on-site execution. His research continues to inform modern efforts in automated construction, particularly in Japan, where labor shortages and safety concerns drive demand for such technologies.