The award recognized his excellent research on a method for using a six-axis inertial sensor to detect insufficient tooth-brushing. This research project was aimed at developing a product which would enable children to have fun as they develop proper tooth-brushing habits. Click the link below to see a video demonstrating a prototype. (※4)
The technology has already been commercialized by Temari Inc. (※5) as their Shaka-Shaka Brush Kit.