- 2021 - 2025 Aging of Female Marriage Migrants in Japan: A Focus on Filipinos
- 2020 - 2025 An International Comparative Study on Immigrant Women's Life-world Changes in the Context of COVID-19
- 2021 - 2023 A Stategraphical Approach to Migration Policies: Focusing on the Public Employees as Cultural Translators
- 2017 - 2021 A Geographical Analysis on the Residential Concentration of Migrants from the Perspective of Spatial Assimilation and Heterolocalism
- 2014 - 2019 Future "Lower Class" or " Global Human Capital" -Aiming to Ensure Access to Education for Foreign Students in Japan after Junior High School Graduation
- 2016 - 2019 A Comparative Study of Marriage Migration to Remote Islands: Focus on Filipino Women
- 2016 - 2019 "Reversal Phenomenon" of Migrant Workers in Tokai Area, Japan: from Brazilians to Filipinos
- 2014 - 2019 Future "Underclass" or "Global Human Resource"?: Security of the Educational Rights of Migrant Children in Japan
- 2016 - 2018 Foreign Caregivers and Nurses and their Impact on the Local Labor Market
- 2013 - 2018 General Study on the Human Migration and Social Integration in East Asia in the 20th Century
- 2014 - 2017 The Structure and its Transformation of the Urban Poor in Metro Manila, Philippines: From Over-urnabized City to Global City
- 2013 - 2016 The Transnational Human Migration in Sakishima Islands, Okinawa: A Focus on Filipinio Women
- 2012 - 2016 An Interdisciplinary Study of Judicial Interpretation
- 2012 - 2015 Analysis of Promoting Actors for Further Education of Immigrant Children: Case Study in Mie Prefecture
- 2012 - 2015 A Comparative Study of the Construction of Social Life by the 1.5-Generation Filipino Migrants
- 2012 - 2015 A Study on Organizing the Workers of Unstable Employment in the time of Globalization
- 2011 - 2015 A Study for the Collaboration of Guardians, School Teachers and Concerned Citizens for the Education of Foreign-born Children
- 2011 - 2015 An Interdisciplinary Study for Supporting the Adjustment of Foreign Caregivers in the Areas of Decreasing Population
- 2011 - 2014 Study on sending and receiving system of nurses and careworkers in Southeast Asia: Mainly with the cases of Economic Partnership Agreement (EPA) with Japan
- 2010 - 2014 The Job, Feminization and Citizenship of Filipinos in Japan
- 2009 - 2013 移民の流入と統合過程ー在日韓国・朝鮮人と日系ブラジル人の世代間生活史の比較分析
- 2009 - 2013 現代日本の人口減少問題に対する外国人定住化の貢献に関する研究
- 2009 - 2012 移民第1.5世代の子ども達の適応過程に関する国際比較研究--フィリピン系移民の事例
- 2008 - 2012 日本帝国崩壊後の人口移動と社会統合に関する国際社会学的研究
- 2010 - 2011 「生活者としての外国人」に対する日本語の指導力の評価に関する調査研究
- 2010 - 2011 日比経済連携協定によるフィリピン人介護福祉士候補者の職場と地域への適応
- 2007 - 2010 軍隊の駐留と関連するマイノリティ層の総合的研究-岩国市を中心に-
- 2007 - 2010 在日フィリピン人の介護人材育成
- 2007 - 2010 Filipino Migrants in Japan as Potential Caregivers
- 2007 - 2008 広島県海田町の国際化と大学の地域貢献に関する研究
- 2001 - 2003 フィリピン人移住労働者の職業経歴と送出/受入れ地域の変容
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- 2024/06 - 現在 Japanese Association for Social Research Board member and Vice Secretary-General
- 2016/06 - 現在 Japanese Association for Social Research Member, Qualification Screening Committee
- 2022/05 - 2025/05 Kansai Sociological Association Member, Editorial Committee
- 2022/05 - 2025/05 Kansai Sociological Association Executive Committee Member
- 2022/06 - 2024/05 Japanese Association for Social Research Member, Editorial Committee
- 2022/05 - 2024/05 Sociological Society of West Japan Member, Editorial Committee
- 2015/12 - 2023/11 Japan Sociological Association Member, International Committee
- 2021/05 - 2023/05 Japan Association for Migration Policy Studies Secretary General
- 2019/05 - 2023/05 Japan Association for Migration Policy Studies Executive Committee Member
- 2018/10 - 2021/11 Japan Sociological Society Member, Research Activities Committee
- 2017/10 - 2021/09 Japan Association for Urban Sociology Member, International Committee
- 2019/05 - 2021/05 Japan Association for Migration Policy Studies Editorial Committee Member
- 2015/10 - 2019/09 Japan Association for Urban Sociology Member, Editorial Committee
- 2018/10 - 2019/05 Japan Association for Migration Policy Studies Member, Planning Committee
- 2016/03 - 2018/09 Japan Sociological Association Member, Special Committee for Internationalization
- 2016/03 - 2018/09 日本社会学会 国際発信強化のための特別委員会委員
- 2010/10 - 2015/09 Japan Association for Urban Sociology Member, International Committee
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THE SOCIETY FOR COMPARATIVE FAMILY HISTORY
, JAPAN ASSOCIATION FOR MIGRATION POLICY STUDIES
, Japan Society for Sport Sociology
, JAPAN SOCIOLOGICAL ASSOCIATION FOR SOCIAL ANALYSIS
, JAPAN ASSOCIATION FOR URBAN SOCIOLOGY
, West Japan Sociological Association
, KANSAI SOCIOLOGICAL ASSOCIATION
, JAPAN SOCIOLOGICAL SOCIETY