- Introduced modern architecture to Japan, making the style commonly known to the Japanese public, and studied a wide range of subjects including Asian modern architecture and 'kanban kenchiku' (literally 'signboard architecture' - a decorative façade with no eave, finished with mortar, copper plate, tiles, bricks, etc. which was mainly seen among shops in the Kanto area after the Great Kanto Earthquake).
-全国の近代建築を紹介して一般に認知を広め,研究対象を看板建築やアジアの近代建築にも広げた。