He proposed a theory of Discontinuous Unity and translated many of Le Corbusier's works from French into Japanese.
In 1921 he and his family left for Geneva where his father was an official for the Japanese government setting up the International Labour Organization.
On returning from the war he went to live again in Shinjuku but built himself a house as the previous one had been burnt down in American bombing on 25 May 1945.
Le Corbusier's three Japanese apprentices: Kunio Maekawa, Junzo Sakakura and Yoshizaka were responsible for executing the plans and supervising the construction.
[6] The principle of using so-called local architects to implement his designs was so successful here that Le Corbusier insisted it should be done for the Carpenter Center for the Visual Arts in Harvard.
[8] One of his students, Saito Yuko wrote the book Yoshizaka's Method about the design for Ura Taro's house and formed her own practice Atelier Site.
Japanese Design Magazine Casa Brutus named him one of Japan's Modern Masters in a recent special issue.