- 2018 - 2023 A New View of the History of Thought of Early Modern Japan: An Attempt at International, Cooperative Research
- 2014 - 2017 Combinatory Religious Practices in Early Modern Period.
- 2011 - 2013 Rethinking of the Buddhism in early modern era of Japan ; Mainly on Tendai sect
- 2009 - 2012 The Establishment and Development of Religious Observances at the Toshogu-Shrine
- 2008 - 2010 日本における本覚思想の展開-中世後期の天台宗談義所寺院を中心に-
- 2006 - 2008 The Foundation, Establishment and Development of Religious Observances at the Toshogu-Shrine
- 2005 - 2007 南ドイツ、オーストリア、スイスの山岳地帯における通過儀礼とその記録伝承の研究
- 2003 - 2005 Oratory and Debate in the Buddhist World in Medieval Japan
- 2002 - 2005 Discourse Formation and Intellectual Interaction in Dangisho Temples in Medieval Japan.
- 2001 - 2002 中世唱導に関する基礎的研究
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