Tsunehiro Arimoto

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About

Tsunehiro Arimoto is a pioneering researcher in human-robot interaction, specializing in multi-robot conversational systems and social telepresence. His work addresses a fundamental challenge in robotics: how to make robot-mediated communication feel natural and engaging. Arimoto’s most influential contribution is the concept of “multiple-robot conversational patterns” (2018, 35 citations), where he demonstrated that using multiple robots in a conversation can strategically conceal incoherent responses from a primary robot, thereby maintaining the illusion of fluent interaction. This approach builds on his earlier, highly cited study on “nodding responses by collective proxy robots” (2014, 16 citations), which showed that adding an autonomous bystander robot to a telepresence system significantly enhances the social presence of a distant human user. By having the secondary robot mimic attentive listening behaviors like nodding, Arimoto proved that perceived connection in remote communication can be dramatically improved. His more recent work on “proactive conversation between multiple robots” (2017) further explores how autonomous robot-to-robot dialogue can boost a human’s sense of being genuinely engaged in a conversation. Through these innovations, Arimoto has laid critical groundwork for designing more believable and socially adept robotic systems, with direct applications in telepresence, customer service, and assistive robotics.