- 2017 - 2021 A provenance study of Japanese ancient bronzes using a high precision multi collector ICP mass spectrometer
- 2017 - 2021 西日本における地方窯業生産の研究-古墳時代・古代から中世へ-
- 2012 - 2017 The archaeological research of the interaction between Japan and Korea in the Kofun era
- 2012 - 2015 Studies of commencing time and provenance transition on bronzes in Japan and Korean Peninsula
- 2010 - 2014 西日本における古代窯業生産の研究-邑久窯跡群を中心に-
- 2009 - 2011 Scientific studies on the manufacturing, trading and tradition of the source of ancient Japanese and Korean bronze objects
- 2008 - 2011 The studies on the settlements in Japan and Korea-The Yayoi Period to the Kofun Period in Japan, and The 0Mumon Pottery Period to the Three Kingdoms Period in Korea-
- 2005 - 2008 Preliminary research to construct database of character tile Excavated in South Korea
- 2005 - 2008 RESEARCH ON TRANSITION AND DIFFUSION OF ROOF-TILE TECHNOLOGY IN ANCIENT EAST ASIA
- 2005 - 2007 Archeological research on process of construction of the Kokubunji Temples
- 2003 - 2005 Multilateral Comparative Study on Introduction, Acculturation and Distribution of Bronze Culture in East Asia
- 2001 - 2004 Comprehensive study on written records excavated in Korea
- 2001 - 2002 Archaeological research, on spread of the ancient popular Buddhism
- 1994 - 1995 The Study on the Cities of Ancient Korea
- 1994 - 1994 中国・四国地方出土の朝鮮系瓦に関する研究
- 古代の日韓関係に関する研究
- Study on Relations between Ancient Japan and Korea
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