After the 15th excavation carried out in 1977, the primary body of the researches was handed over from the Archeological Institute of Kashihara to the Sakurai City Board of Education to succeed and continue the researches, and excavations still continue today.
1977年の第15次調査以降、調査主体が橿原考古学研究所から桜井市教育委員会へと移り現在も調査を継続している。