Summarized data of comparisons.

Pottery from the Ayaragi go site is owned by the Shimonoseki city archaeological museum, the Tamura site by the Kochi Prefecture Archaeological Center, the Itazuke site by the Fukuoka City Archaeological Center, the Kamei site by the Osaka Center for Cultural Heritage, the Kinomoto and Tainaka site by the Osaka Prefectural Board of Education, the Yano site by the Izumo Yayoinomori Museum, the Uemitani and Dougomachi site by the Ehime Prefecture Archaeological Center, the Tsuko-tsuchitori site by the Ogori City Archaeological Center, and the Shimokawatsu site by the Kagawa Prefecture Archaeological Center.