Four Buddhist Images is not Shinto's divinity.
But Buddhism and Shintoism had been fused from six century that Buddhism came into Japan until the end of nineteen century.
People believed that Buddhism and Shintoism are the same in the essence.
Names of four Buddhist Images are Dainichi-nyorai, Kannon-bosatsu, Seishi-bosatsu and Jizou-bosatu.
They were carved at the Kmakura era 13 or 14 century.