Excavations have unearthed ceramics and porcelain including celadon porcelain, white porcelain, Suzu-yaki pottery, Echizen-yaki pottery and Koseto style pottery which mainly date from the first half of the 15th century.
発掘調査では、15世紀前半ごろを主体とする青磁・白磁・珠洲焼・越前焼・古瀬戸様式などの陶磁器が出土している。