- 2023 - 2026 日本独自の違憲審査基準論の構築-職業選択の自由に焦点を当てて
- 2022 - 2025 Developing the Curriculum for junior high and high school Focused on the subject "Civil Life and Law"
- 2021 - 2024 「救済法」理論の比較研究
- 2020 - 2023 違憲審査における論証責任・論証度の役割と違憲審査基準論の再構築
- 2018 - 2021 Developing Program of teacher education in Law-Related Education based on Questionnaire survey
- 2017 - 2020 On effective use of legislative facts in legislatures and courts
- 2015 - 2019 Reconstructing personality rights in today's society with a view to future law reform
- 2015 - 2018 Development of Law-Related Education Program based on legal knowledge and legal opinions of middle school students
- 2014 - 2018 Consideration on the Tensions between the Justice between Generations and Democracy
- 2014 - 2017 A comparative legal study of constitution-compatible interpretation
- 2012 - 2015 Studying of Development of Teaching Materials of Law-Related Education Based on the Psychological Development Stages of Elementary School
- 2011 - 2015 'Lesson development aimed at improving students' ability to apply social studies knowledge and skills
- 2007 - 2011 Law and Ordering of Market and Society in the Post-"Structural Reform" Era-A New Legal System for Liberty and Communality-
- 2003 - 2004 "Rule of Law" and Rechtsstaat - Type and Context of the Government System in the New Century
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