- 2022 - 2027 The Development of the probability-based online panel for accurate exploration of the impact of Covid-19.
- 2020 - 2025 Comparative Sociology of the Acceptance and Legitimation of Reward Inequality Based on the Cross-national Survey
- 2018 - 2021 社会調査の困難状況に対応するコンピュータ支援型複合モード調査法の実装
- 2015 - 2017 New directions in the study of "educational experience and social stratification"
- 2013 - 2016 Comprehensive studies of Japanese family during 1999-2009 by National Family Research of Japan dataset
- 2011 - 2016 Empirical Study of Associational Transformation between Social Stratification and Social Psychology in Contemporary Japan
- 2011 - 2015 An Empirical Research on Education, Social Stratification, and Social Mobility
- 2010 - 2013 Stratification and Religious Change of East Asia in Post Global Age
- 2010 - 2011 Toward Integrated Analysis of Large Social Survey Data and Data of University Alumni and Alumnae
- 2001 - 2003 From University to Work : Focusing on Engineering Graduates
- 2000 - 2003 The Intergenerational Relationships of Contemporary Households (Families) in Japan
- 1998 - 1999 医療技術者の大学教育と就職・初期キャリアに関する比較研究
- 1997 - 1999 The Adaptation of Nikkei Brazilians to Japan and International Marriages in Japan
- 1995 - 1998 北海道南西沖地震に伴う家族生活と地域生活の破壊と再組織化に関する研究
- 1996 - 1996 理科系新規大卒者の就職メカニズムに関する比較研究
- 1994 - 1994 女子短期高等教育と就職に関する社会学的研究
- 1991 - 1993 The Social Structure and Social Change of Towns in Hokkaido
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