The mayor of Ishigaki was given the civic authority over the territory.
After getting the ownership of the Islands back the Tatsushirō family sold the Nan Xiaodao and Bei Xiaodao to businessman Kunioki Kurihara from Saitama Prefecture in 1972, and again sold Diaoyu Island to him in 1978. Since then, the Kurihara family has become the purported private owner of the islands.