Research theme for competitive and other funds (5):
2025 - 2028 租税法における公益と法人論の比較法史的研究
2020 - 2023 Basic Research about Sovereignty Theory and Tax Power
2017 - 2020 A Historical Study on the Theory of Public Benefit and Public Good in Tax Law
2015 - 2020 Comprehensive Comparative Study on the Status and Role of Nonprofit Organizations and Collective Litigation Based on the Legal Theory of Organizations
2014 - 2017 A comparative historical study of transparent taxation and its legal forms.