- 2019 - 2022 Quantitative approach to aesthetic labor and social stratification
- 2017 - 2021 Study on the identification of the optimum timing and the development of selection method and evaluation standard for the recruitment of new graduates
- 2016 - 2019 Panel/Longitudinal Studies on Changing Marginal Labor
- 2015 - 2018 Comparative Study of Demographic Changes and Mobility Regime in Asian Societies
- 2015 - 2018 Measuring Social Status in Contemporary Japan
- 2013 - 2016 Comparative Sociology of Changing Values and Social Stratification
- 2012 - 2015 Scientometric and Historical Approach to Cross-National Comparison of Japanese, US, and UK Sociologies
- 2012 - 2015 Interdisciplinary Study of Social Stratification and Employment-livelihood Risks Focusing on the Dynamics of Mobility Regimes
- 2010 - 2014 International Joint Research on Family Changes and Welfare regimes in Contemporary Asia
- 2010 - 2010 Exploratory Research through Integration between sociology of science and history of sociology
- 2008 - 2010 Study of an East Asian Stratification Model
- 2007 - 2010 A US-JAPAN COMPARISON OF LONG TERM FOLLOW UP SURVEYS FOR OCCUPATION, FAMILY AND PERSONALITY
- 2007 - 2009 インターネット調査による統計的マイノリティ研究-若年非正規雇用・無職を例に-
- 2006 - 2008 社会学的想像力による調査支援型社会学理論の研究
- 2004 - 2007 Lifelong Panel Survey Research of Occupation, Family and Personality
- 2004 - 2006 社会階層論への合理的選択理論の応用に関する理論的・計量的研究
- 2001 - 2004 The Study on the Cultural, Psychological, and Social Effects of the Revolution in Information Technology(IT)
- 2001 - 2003 The Empirical Study on the Social Stratification and the Collective Mentality among Korean Minority Women in Japan
- 1997 - 1998 「人生」の修辞的構築に関する計量研究
- 1996 - 1998 The New Procedure to Code and analyze the Open-ended Questions' Data in Social Research
- 1996 - 1997 ブ-ル代数アプロ-チによる質的比較
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American Sociological Association
, International Sociological Association
, Kansai Sociological Association
, Japanese Association for Mathematical Sociology
, Japan Society for Sociology