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. Makes designs for industrial products in a wide range of genres including wristwatches, cameras, automobiles, furniture and communication devices. Also engaged in research in areas hitherto unexplored by designers, and has created and made public numerous prototypes. Has received many awards such as the 2004 Mainichi Design Prize, iF Product Design Award (Germany) and the Good Design Award. In 2010, the Tagtype Garage Kit was chosen for the permanent collection at the Museum of Modern Art (MoMA) in New York.
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