Japan Society for the Promotion of Science
Among the awards he has received are the Genetics Society of America Medal in 1996, the International Prize for Biology from the Japan Society for the Promotion of Science in 1997, the Richard Lounsbery Award from the U.S. National Academy of Sciences in 1999, the Wilbur Cross Medal of Yale University in 2001, the Harrison Prize of the International Society of Developmental Biologists in 2005 and the Balzan Prize for "Plant Molecular Genetics" in 2006 (with Chris R. Somerville).