2011 - 2013 Constitutional matters of measures by public authority in terms of personal data in high information soceity
2008 - 2011 Study of normative power of the constitution-examination by means of the discourse between constitutional law studies and other legal and social sciences
情報ネットワーク法学会
, ドイツ憲法判例研究会
, SOCIETY FOR THE STUDY OF CONSTITUTION THEORIES
, JAPAN ASSOCIATION FOR STUDIES OF CONSTITUTIONAL LAW
, JAPAN PUBLIC LAW ASSOCIATION
, The International Human Rights Law Association