THE JAPANESE ASSOCIATION OF COMPARATIVE CONSTITUTIONAL LAW
, The International Society of Public Law (ICON Society)
, International Association for Philosophy of Law and Social Philosophy (IVR)
, JAPANESE AMERICAN SOCIETY FOR LEGAL STUDIES
, JAPAN PUBLIC LAW ASSOCIATION
, JAPAN ASSOCIATION OF LEGAL PHILOSOPHY
, ASSOCIATION FOR STUDIES OF CONSTITUTIONAL THEORY
, JAPAN ASSOCIATION FOR STUDIES OF CONSTITUTIONAL LAW