Research keywords (5)：
大砲伝来/鉄砲伝来
, the Age of Commerce
, 戦国時代
, X-ray fluorescence analysis
, lead isotope ratio analysis
Research theme for competitive and other funds (4)：
2019 - 2023 Research on the introduction process of artillery in the Warring States period of Japan.-About the influence of Islamic culture-
2018 - 2022 Integrated Studies of History and Natural Science for Exploring the Change of the Iron Manufacture Technique from the Late Edo to Meiji Period
2015 - 2018 Joining Study between History and Natural Science for Iron Industry in each Region at Late Edo and Meiji Period
2012 - 2015 On the introduction and distribution of metallic resources and firearms to Japan into the Age of Commerce.
