Graduated in 1982 from the University of Tokyo (Faculty of Engineering, Department of Industrial Mechanical Engineering) and joined Nissan Motor Design Center. Became an independent designer in 1987. Was assistant professor at the University of Tokyo from 1991 to 1994. In 1994, set up Leading Edge Design. Was professor at Keio University from 2008 to 2012. As of April 2013, became professor at the Institute of Industrial Science, University of Tokyo.April 2023 to present,University Professor of the University of Tokyo.