KATSUMOTO Yuichiro is an artist of gadget making and an educator. He is strongly interested in "Utsuroi" that means "passage", "transition", "moving", and "morphing" in Japanese. By interpreting Utsuroi, he keeps inventing gadgets since his student days. From 2016, he focuses on “lines" as medium of his creation. He studied a video production and an interaction design at Keio University, Japan. After getting PhD, he moved to Singapore and worked R&D at National University of Singapore for eight years. In October 2018, he came back to Japan and started his own studio "katsumotoy". In April 2019, he also joined Tokyo Denki University School of Science and Engineering as assistant professor and launched "The Utsuroi Lab".