The Shingon teaching of the Eternal Buddha as Dharmakaya [single bodied rather than triple bodied], permeates the Soka Gakkai.

“I think that it is silly to view the Eternal Shayamuni Buddha as a personage that exists somewhere in the universe. Watson writes of the Eternal Shakyamuni Buddha in his Introduction chapter in his translation of the LS: “as an ever-abiding principle of truth and compassion that exists everywhere and within all beings.” –  SGI “Nichiren” Buddhist