According to Wikipedia,
Takeyoshi Kawashima was a Japanese jurist. He was a prominent representative of post-war liberalism in Japan and the country's leading legal sociologist. Serving as Sakae Wagatsuma's assistant after 1932, Kawashima was appointed professor of civil law at the University of Tokyo in 1934. In his writings, he sought to develop a system of modern, Western, capitalist society based on the principle of the exchange of goods, which he contrasted to Japanese society with its remaining pre-modern and feudalist elements.
Takeyoshi Kawashima is affiliated with the following schools: