- 2020 - 2025 行政契約と行政計画を主軸とした当事者自治的公法秩序に関する比較法的研究
- 2019 - 2023 人口減少社会において多様性のある地域生活を再生するための生活基盤整備法政策の構築
- 2015 - 2019 Construction of the administrative law system with continuous updating function, public interest conforming function and democratic legitimating function
- 2014 - 2017 Toward a comprehensive and strategic legal framework on unoccupied houses : a comparative survey
- 2015 - 法的本質論を踏まえた非営利団体の地位と役割及び団体訴訟に関する比較法的総合研究
- 2010 - 2015 Multidisciplinary Study on Japanese Practice for implementation of Environmental Treaties: Linkage between International Law and National Law and Policy for Environmental Protection.
- 2010 - 2015 関係性及び連携と連帯に着目した新たな行政観の構築可能性とその具体像に関する研究
- 2009 - 2014 Construction of New Paradigm of Laws and Regulations for Urban Governance in Networked Society
- 2008 - 2010 A Review of the Principle of a "Public Trial" During the Period of Judicial Reform?Toward an Explanation in the Relationship Between System and Human Rights.
- 2006 - 2009 福祉、安全、参加に立脚した新たな行政像構築の可能性に関する総合的非核法研究
- 2005 - 2008 Collaboration of the Public and Private in forming Order to the 20013021Market/Living Environment: The Legal Structure of <<Public Sphere>>.
- 2005 - 2007 Non-profit Organizations, Local Governments, and Subsidiarity Principles With Regard to Housing Welfare Law
- 2005 - 2007 Positive and Integrated Research on "Temporary Orders (Kari-no-kyusai)" as an Effective Remedy for a Violation of a Right and/or Interest20205876
- 2003 - 2006 共同利益の法主体化及び公的事務の民間化に対応した行政法理論構築のための比較法研究
- 2005 - 2006 日韓地方自治立法権の比較研究
- 2002 - 2004 A Strategic Study to Replace the Current Fluid Legal System by a Better Integrated One for the 21st Century-A Comparative Study of Administration, Market, and Consumption Aspects of Modern Society.
- 2000 - 2002 Comparative Study on the Utility of the Contractual Administrative Methods in the Environmental, Land, Economic and Consumers' Laws
- 1999 - 2001 Comparative study on Ecosystem Management in the Developed Countries
- 1998 - 1999 Research on New Policy Initiatives in the Era toward Decentralization
- 1997 - 1999 Legal theoretical Study on the Correlations between the Scientific Assessment System and the Public Interests Estimation System concerning the Development Projects
- 1994 - 1995 Public Interests and their Controls : Comparative Study of French and Japanese Laws in the Land Development Administrative Actions
- 1994 - 1995 The Leagal System of the NatureConservation : lntermational Comparative Study.
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