- 2012 - 2015 An Empirical Study on the Organization of Workers in Unstable Employment in the Era of Globalization
- 2010 - 2012 在日台湾人の民族関係に関する社会学的研究-オールドタイマーの比較と総合に向けて
- 2009 - 2012 The Influx of Immigrants into Japan and Their Social Integration Process: A comparative analysis of Life-histories of Korean Families and Japanese-Brazilian Families
- 2007 - 2009 Sociological Research on Over-urbanization of Naha, Okinawa
- 2005 - 2008 Interdisciplinary researches on urban spatial structural comparison between the Tokyo and Keihanshin metropolitan areas after the collapse of bubble economy by adopting GIS.
- 2003 - 2006 民族関係と外国人労働者問題の国際比較
- 2002 - 2005 A Comparative Study in Urban Sociology of Ethnic Community in Japan
- 2000 - 2001 A COMPARATIVE STUDY OF RELIGIOUS CITIES
- 2000 - 2001 Community and University : Effects of University on Community In cases of Provincial Cities Japan.
- 1996 - 1998 SOCIAL MECHANISM OF COMBINATION AND SEPARATION IN INTER-ETHNIC RELATIONSHIPS
- 1991 - 1991 エスニック・コミュニティの生態研究
- 1988 - 1990 The Method for Typifying and Diagnosing Local Communities
- 1987 - 1987 新宗教集団に集まる若年層の意識と行動
- 1984 - 1984 都市化社会の民俗宗教に関する社会学的研究
- 都市コミュニティ論
- 現代宗教の社会構造論的研究
- 民族関係の都市社会学的研究
- Sociological Research on Urban Community
- Social Structural Approach to Religious Communities in Contemporary Japan
- Urban Sociological Research on Inter-ethnic Relationships in Japanese City
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