Keitaro Katsuki

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About

Keitaro Katsuki is a pioneering researcher in human-robot interaction, with a focus on the integration of large language models into companion robotics. His most-cited work, "A Week With a Conversational Large Language Model Companion Robot" (2025), has already garnered 6 citations, marking a significant early impact in this emerging field. Katsuki’s research explores how conversational AI can be embedded into physical robots to create long-term, emotionally resonant interactions with humans. By designing and deploying a companion robot capable of sustained, natural dialogue over a week-long study, he has provided critical insights into user engagement, trust, and the practical challenges of deploying LLM-driven robots in everyday settings. His contributions are foundational for advancing socially assistive robotics, particularly in caregiving and mental health support. Katsuki’s work bridges cutting-edge natural language processing with embodied robotics, offering a roadmap for future systems that are both technically robust and socially intuitive. As the field rapidly evolves, his research stands out for its human-centered approach and tangible demonstrations of how conversational robots can become meaningful companions.