He states in his book "Tama-no-mihashira" (the True Pillar of Spirit) that it was Zoka-sanshin including Ame no Minakanushi no Kami, Takamimusubi no Kami and Kamimusubi no Kami that created all nature prior to tensonkorin (the descent to earth of the grandson of the sun goddess) at which time this world took on its shape.
そして『霊之御柱』において、この世界の姿が確定する天孫降臨以前の万物の創造を天御中主神・高皇産霊神・神皇産霊神の造化三神によるものとした。