Teaches; Social Philosophy and Modern Political Ideologies.

• 1991-1994: Lecturer at Kumamoto University.
• 1994-1996: Lecturer at Ritsumeikan University
• 1996-: Associate Professor at Ritsumeikan University
• 1998-1999: Visiting Scholar at Faculty of Social Political Sciences, Cambridge University
• 2002-:Professor at Ritsumeikan University

• David Hume and the 18th-century British Thoughts, An Annotated Catalogue, Supplement, Tokyo: Chuo University Library, 1988.[in English, Co-authored with Sadao Ikeda and Michihiro Otonashi]

• A Bibliographical Catalogue of the Works of Jeremy Bentham, Tokyo: Chuo University Library, 1989. [in English, Co-authored with Sadao Ikeda and Michihiro Otonashi]
• "Hobbes: Enlightenment and State", in Hiroshi Tanaka ed., Gendai Sekai to Kokumin Kokka no Shorai [i.e., Historical Perspectives of Nation State], [in Japanese], Tokyo: Ochanomizu-Shobou, 1990.
• "Hobbes on Heresy and its Punishment", [in Japanese], in Chuo Law Review, vol.95, 1990.
• "On the Boundaries of Justice", [in Japanese], Bulletin of General Education: Social Science and Humanities, vol.28, 1993.
• "Adam Smith: His Concept of Civilized Society", [in Japanese], in Takeshi Nakatani and Yukio Adachi ed., Seiyo Seiji Sisoushi [i.e., A History of Western Political Thoughts], Kyoto: Mineruva Shobou, 1994.
• "Michael Walzer and Plurarist Theory of Justice", [in Japanese], in Policy Science, vol.2, 1994.
• "Jeremy Bentham and his Critique of Church-of-Englandism", [in Japanese], in Chuo Law Review, vol.101, 1995.
• "On the Concept of Local Justice", [in Japanese], in Policy Science, vol.2, no.1, 1996.
• "Hobbes: Man and State", [in Japanese], in Hiroshi Tanaka ed., Gendai Shisou to ha Nanika [i.e., What is Modern Thought?], Tokyo: Ryusei Shuppan, 1997.
• Japanese translation (Tokyo: Nihon Keizai Hyoron-sha 1994) of Frank Cunningham, Democratic Theory and Socialism, Cambridge: Cambridge University Press, 1987. [with Yoshikazu Nakatani]
• Japanese translation (Tokyo: Miraisha 1995) of Richard Tuck, Hobbes, Oxford: Oxford University Press, 1986.[with Hiroshi Tanaka]
• Japanese translation (Kyoto: Showado 1998) of Andrew Vincent, Modern Political Ideologies, 2nd ed., Oxford: Oxford University Press, 1995.
• "Public and Private in Information Society", [in Japanese], in Policy Science, vol.8, no.1, 2000 (co-authored with Prof. Hitoshi Murayama).
• "Jeremy Bentham on Poor Law",[in Japanese], in Chuo Law Review, vol.107, nos.3-4, 2000.
• Japanese translation (Kyoto: Showado 2000) of Davis Bobrow and John Dryzek, Policy Analysis by Design, Pittsburgh: University of Pittsburgh Press, 1987.
• Japanese translation (Tokyo: Iwanami Shoten 2002) of Thomas Hobbes, Dialogue Between a Philospher and a Student of the Common Law of England, , London, 1681.[With Hiroshi TANAKA and Akira ARAI]