At Tokyo University, he helped start the information science department.

In 1907 he went to Tokyo University to study political and economic science.

In 1997, he moved to his current position at the University of Tokyo.

He started his studies at the University of Tokyo in 1968.

He continued his studies at the University of Tokyo from 1968 through 1970.

He was for many years a professor at the University of Tokyo.

As a young man he received a law degree from Tokyo University.

From 1991 until 2010 he served as professor at Tokyo University.

He is currently a professor at the University of Tokyo.

She also studied economy history at the University of Tokyo from 1947-1948.