1937 Born in North Korea (Japanese)
1962 Graduated from Waseda University
1966 Completed the graduated program of Wasada University
Worked in Kenzo Tange Associates
1967 Worked as a Lecturer of Haile Sellassie University, Ethiopia
1970 Established KEIKAKU Inc.,YAS & Urbanists
1982 Promoted to Professor of Kumamoto University
1985 Won the Prize of Architectural Institute of Japan
1991 Promoted to Professor of Chiba University
Won the Togo Murano Award
1992 Passed away