(b Tokyo, 19 July 1943). Japanese architect. He graduated from Tokyo Institute of Technology in 1966 but continued his studies as a graduate in the same institute under the guidance of Kazuo Shinohara. From 1968 he ran a small office in Tokyo. His name is usually associated with the so-called Shinohara school, an informal group of young architects who either studied and worked with Shinohara or who were otherwise influenced by his architecture in the 1970s.