Born in Nagano Prefecture

Graduated from School of Engineering, Architecture, Tohoku University Studied the history of modern Japanese architecture at University of Tokyo.

PhD in Engineering for dissertation, “A Historical Study of City Planning In the Meiji Period”.

Began to practice architecture with the work, the Jinchōkan Moriya Historical Museum.

Commissioner of the Japanese Pavilion at the 10th Venice Biennale of Architecture

Suntory Prize for Social Science and Humanities
(for Adventures of an Architectural Detective, Tokyo)

Japan Art Award (for Creating a space of spaciousness and warmth as shown in the Genpei Akasegawa Residence)

Architectural Institute of Japan Prize (paper)
(for research on the history of modern Japanese cities and architecture)

Architectural Institute of Japan Prix
(for the Student Dormitory of Kumamoto Agricultural College)

Japan Art Academy Prize (for Roof House, Shiga)

Professor Emeritus, University of Tokyo
Specially Appointed Professor, Kogakuin University
Director, Edo-Tokyo Museum, Tokyo