Inamoto sakihara ruins (Inanton Hayabaru Ichiki) was excavated in 1982 as a result of the construction of the residential area of ​​Seongnamugaoka. In the Kofun Period, four surveyor kiln marks of the 6th century were surveyed, and soil from around the 7th century was excavated. It is an essential production ruin in thinking about making SUEKI in the Munakata area. In addition, Sue is a blue gray hard hard roast which was transmitted from the Korean Peninsula around the 5th century, featuring the use of a potter and a kiln.