- 2013 - 2017 原産地遺跡と利用遺跡からみた隠岐産黒曜石の採取・採掘活動、物流の通史的研究
- 2011 - 2013 The Study of the Prehistoric Full-Time Groups Who Moved over the Inland Sea
- 2010 - 2012 Archaeological study on the refinement of iron in the premodern EastAsia
- 2008 - 2012 Integrated research on the world heritagesite Itsukushima - from the point of view of tradition, transmission and their change over times-
- 2006 - 2009 The reconstruction of the wide circulation system of the stone tools of SANUKITE in MT Kanayama in Kagawa prefecture and the examination of the characteristic of the Prehistoric economics
- 2005 - 2008 Archaeological Study on the Dating of Introduction and the Trade of the Chinese Casting Iron Tools in the Yayoi Period.
- 2005 - 2008 瀬戸内-中国山地-日本海地帯のサヌカイトと隠岐産黒曜石利用からみた先史物流の形成
- 2001 - 2004 Systematic Study on Acquisition and Utilization of Sanukite in Prehistoric Society
- 1998 - 1999 旧石器、縄文時代における隠岐産黒曜石の獲得と利用
- 1995 - 1998 Natural and Cultural Histories of San'in Region
- 1994 - 1994 石器時代におけるサヌカイト原材獲得方法の研究
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