- 2022 - 2026 古代後半期の山寺の総合的探索にもとづく仏教浸透過程の研究
- 2022 - 2026 Reconstruction of the History of the Introduction of Buddhism in the Japanese Islands Based on Kofun Tombs and Burial Objects
- 2018 - 2022 Multidisciplinary studies on the formation of holy place and Buddhism sacred place.
- 2018 - 2021 Research on the domination of the frontier(Boundary area/periphery) by ancient Japan and the uniqueness of those areas.
- 2016 - 2020 Comparative and regional study on society and culture of the ancient Buddhist capital area
- 2016 - 2020 A Study of Seventh Century History of Hitachi as Seen from Fudoki and Mounded Tombs
- 2015 - 2019 New Aspects of Kofun Period and Archaeological History of Japan from the results of survey on Gowland Collection
- 2012 - 2017 Comprehensive reconstruction of the History of Todaiji Temple - focusing on 'Todaiji Yoroku'
- 2012 - 2016 Archaeological Study on the Development and the Origin of the Buddhist Culture in the Northern and Southern Dynasties Peroid
- 2011 - 2016 Multidisciplinary studies on ceremony and management of ancient temples
- 2012 - 2015 The Utilization to International Understanding for Kofun Culture and The General Research in Kofun Study of Gowland
- 2008 - 2011 Archaeological Study on the Origins of Early Chinese Buddhist Temples
- 2007 - 2010 Introduction of Information Technology into Investigation of Archaeological Site-El-Zayyan Temple Site in Egypt
- 2006 - 2007 The roots of Buddhas Seated on Naga in Cambodia and in India
- 2005 - 2007 Historical Archaeology of Pingcheng Site and Yungang Buddhist Cave-temples in the Northern WeiDynasty
- 2003 - 2006 Investigation of El-Zayyan Temple Site in Kharga Oasis, Egypt
- 2003 - 2005 Archaeological Study on the Ancient Relationships between Japan and Korea in terms of products and cultures introduced by immigrants in Japan
- 2002 - 2005 A research and study on the historical hydraulic cities in the tropical Asian areas (The southeast of Asia, India)
- 2002 - 2005 The Research about Social Function and Historical Process of Princely Temples (門跡寺院), focusing the Princely Temple of Zuishin-in(随心院門跡).
- 1999 - 2001 Archaeological Research of the Cultural Exchange between Ancient Japan and Korea
- 1999 - 2001 The course of kiln production and its relation to the local government system in ancient Japan
- 1998 - 1999 A Study on the founding process of Todaiji-temple
- 1997 - 1998 古代官衛・寺院と古墳群の関係
- 1996 - 1998 An Ardiacological Research of Earthquake Disasters
- 1992 - 1996 Archaeological Investigations into Underground Stone Structures Utilizing Scientific Remote Sensing Devices
- 1995 - 1995 古代寺院造営技術の伝播過程
- 1993 - 1993 7世紀窯業生産地の比較研究
- 1989 - 1991 Total Study on Ancient Temples with Statue in Japan
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