- 2018 - 2021 An empirical analysis of governance networks with a focus on local self-governing organizations
- 2016 - 2020 Advocating the clinical public administration: Through dealing with "the formal and rigid responses" in local government
- 2013 - 2016 Municipal Amalgamation and Public Service Provision: Efficiency and Equity
- 2009 - 2011 Formation and Development of Digital Community Governance
- 2007 - 2009 An empirical study on lives of women, young people and elderly people in rural areas in Seto inland sea and Chugoku mountainous
- 2006 - 2008 自治体機構・地域住民組織(町内会)の関係変容-市町村合併を題材に
- 2006 - 2008 Asurvey research on policy problems some remote islands and small local communities are facing in the changing Japanese society
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