During his reign there was a court in Naniwa-no-miya (Naniwa Palace), and thus later the period of his reign including its policies (known later as the Taika Reforms) and such were sometimes referred to as Naniwa-cho (Naniwa Court).
その在位中には難波宮に宮廷があったことから、後世その在位時期をその政策（後世のいうところの大化改新）などを含めて難波朝（なにわちょう）という別称で称されることがあった。