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About

Takenaka Corporation, one of Japan's oldest and most distinguished general contractors, has quietly built a compelling robotics and automation research program driven by an urgent and deeply practical mission: addressing Japan's acute shortage of skilled construction workers through intelligent, deployable robotic systems. Rather than pursuing robotics as an abstract academic exercise, Takenaka's engineers focus on real-world construction challenges, developing solutions that can be deployed directly on active building sites. The company's most recognized contribution is its autonomous floor-marking robot, which automates one of construction's most painstaking manual tasks — precisely marking positions for building materials on free-access floors. This work, garnering over 40 citations, exemplifies Takenaka's philosophy of targeted, high-impact automation. Their research lineage extends back decades, with foundational work on omni-directional six-legged walking robots in the early 1990s offering sophisticated locomotion solutions for unstructured terrain, followed by continued refinement through posture control algorithms and hierarchical motion planning using genetic programming. A particularly distinctive thread running through Takenaka's portfolio is man-robot cooperation — developing manipulator systems that augment rather than replace human workers, allowing operators to handle heavy objects with robotic assistance while maintaining intuitive control. This human-centered engineering philosophy also manifests in their teleoperation interfaces and visual attention-based control systems for mobile robots. More recently, Takenaka has expanded into autonomous navigation using architectural floor plans, swarm robotics for site inspection, and digital twin integration for timber construction. For prospective collaborators in construction robotics, human-robot teaming, or field-deployable autonomous systems, Takenaka represents a uniquely industry-embedded research partner where innovations move rapidly from concept to construction site.