- 2021 - 2025 History of Funan, an early polity of Southeast Asia: reconsideration based on archaeological materials recently unearthed at the Oc Eo site in Vietnam.
- 2017 - 2021 A study of rural ceramic production in Western Japan - from Kofun period to Middle Ages -
- 2017 - 2020 Comparative research of Stoneware making of underground kiln use in the Indochina
- 2011 - 2015 The comparative study of the traditional earthenware making in Southwest China and the mainland of Southeast Asia
- 2010 - 2014 A study of ancient ceramic production in Western Japan with main reference to kiln sites at Oku
- 2008 - 2010 Comparative study of traditional earthenware making in Southwest China and Mainland of Southeast Asia.
- 2007 - 2008 RECONSTRUCTING COOKING TECHNIQUES BASED ON USE-ALTERATION ANALYSIS OF JOMON, YAYOI AND HAJIKI COOKING POTS.
- 2005 - 2006 律令制成立期前後における土師器生産と「土器製作残滓」
- 2004 - 2005 Reconstructing Field-firing techniques of Jomon and Yayoi pottery and Hajiki ware pottery.
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