2001 - 2005 A Study of Right to Private Property and Constitutional Law -in Connection with the Idea of Right to Private Property and Legal Principles of its Limitations
1995 - 2004 現代法理論に関する研究-〈法に従う義務〉に関する理論を中心に-
1995 - 2004 A Study of Contemporary Legal Theories -in Connection with Theories concerning Obligation to obey Law
1980 - 2000 権利理論に関する研究-権利の正当化根拠の考察を中心に-
1980 - 2000 A Study of Theories of Rights -in Connection with Consideration of Justificatory Grounds of Rights
Professor Shigeru Inoue: In Memoriam. The Annual of Legal Philosophy 2001, Yūhikaku. 2002. 2001, 204-207
An Essay on the Relation of Law and Morals - A Note on Neil MacCrmick’s Theory of the Separation of Law and Morals (Part 2, Completion). The Journal of Politics Economics and Law (March 2002), Institute for Research in Politics & Economics, Takushoku University. 2002. 4(3), 1-27
An Essay on the Problem of Contemporary Legal Theory - A Note on P. Soper's "A Theory of Law"
Takayasu, O., Shigeaki, T.,(eds.), That Which Underlies Jurisprudence, Yūhikaku 1997
Utility and Liberty-a Note on Contemporary Discussions concerning John Stuart Mill's On Liberty
Human Rights and Constitutional Adjudication; Essays of Professor Hiromu Tokioka, Seibun-dō 1992