- 2017 - 2023 Study of artinian rings
- 2015 - 2019 Research on direct sum decompositions of lifting modules and its application
- 2014 - 2018 Study on quasi-Frobenius rings based on the Faith conjecture
- 2011 - 2016 Study of artinian rings
- 2011 - 2013 Study of artinian rings with Morita duality
- 2011 - 2013 Faith conjecture and related studies
- 2007 - 2010 Study of artinian rings including algebras
- 2006 - 2008 Synthetical study of ring and representation Theory based on Quasi-Frobenius rings
- 2003 - 2004 Research on ring theory relative to self-injective rings
- 自己入射的環や周辺の環の森田双対の研究
- Study on Selfinjective Rings
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