Education
1976 PhD. in Law, University of Tokyo
1970 BA in Law, University of Tokyo
1993- Professor, Institute of Social Science, University of Tokyo
1988-1993 Associate Professor, Institute of Social Science, University of Tokyo
1985-1988 Professor, Faculty of Law, Hokkaido University
1978-1985 Associate Professor, Faculty of Law, Hokkaido University
1976-1978 Assistant, Faculty of Law, Rikkyo University
Constitutional Review in
Russia and Eastern Europe
（Graduate School of Law and Politics, University of Tokyo)
Russian Law
(Faculty of Law, University of Tokyo)
Law and Society in
Russia and Eastern Europe
(Faculty of Foreign Studies, Sophia University)
International Association of Constitutional Law
Japan Society of Comparative Law
Japanese Association of Sociology of Law
Japan Association for Studies of Constitutional Law
Association for “Societal System and Law” Studies
Law Section of the Association of Democratic Scientists
Japanese Lawyers International Solidarity Association
Japanese Society for the Study of Russian History
Japanese Society for the Study of Soviet History
Association for East European Studies
(1) Reconstruction of Welfare System in the Former Soviet and East European Countries
(2) Judicial Reform in Poland and Russia
(3) Contemporary History of Polish Parliamentarism
(4) Constitutional Review in Poland
(5) Formation of Regional Legal and Political Spaces in Poland and Russia
(6) European Integration and East European Law
(7) Societal
System, Legal Culture and Globalization
- Comparative Study of Polish and Russian Law -