- 2021 - 2026 児童福祉アーカイブズに基づく教護院退所者の社会的自立に関する総合的研究
- 2019 - 2023 感化院・少年教護院における実践思想の系譜とその展開
- 2018 - 2023 Adaptation Processes of "Learning Stories" by Individuals and Communities, and the teacher training program
- 2018 - 2022 WHAT HAPPENS TO JUVENILE DELINQUENTS AFTER LEAVING INSTITUTIONAL CARE: A 50 YEAR SURVE
- 2015 - 2018 The history of the institutions of the education and protection for the juvenile delinquents or dependent children in Japan; the change of the students of Hokkaido Katei Gakko
- 2014 - 2018 Safeguarding in Schools in England
- 2011 - 2015 Historical reseach on reform schools at the time of 1933 Education and Protection for Juvenile Delinquents and Child Indipendence Act (Syonen Kyogo-ho)
- 2011 - 2014 How to Foster "Child Abuse Prevention Practical Skills" in Teacher-training Education
- 2009 - 2010 『留岡幸助と家庭学校』出版 研究成果公開促進費
- 2007 - 2010 The Historical Research on the proposal and deliberation of "Shounen Kyougo Houan" (Juvenile Education and Protection Bill) in the Imperial Diet
- 2006 - 2007 「非行少年」の処遇を巡る基礎的研究 -感化事業百年史資料の調査を中心に-
- 2004 - 2006 The properties of education for Juvenile delinquents in Modern Japan Focusing on Kosuke Tomeoka's Research in America and Europe
- 2002 - 2003 The history of the education of juvenile delinquents in Japan; Kosuke Tomeoka's Research on Education for Juvenile Delinquents in America and Europe
- 1999 - 2000 家庭学校文書の史料論的検討-東京および北海道家庭学校所蔵史料の構造-
- 1997 - 1998 感化法施行期における家庭学校の経営と感化教育の様態
- 1996 - 1996 第二次改正「感化法」施行期における感化教育施設家庭学校の実態
- 1994 - 1994 感化法制下における総合的感化教育施設家庭学校の史的研究
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