Empress Saimei Japanese emperors 2019.09.04 2019.07.02 The 37th Emperor of Japan. Male line The period of reign 654 – 661 Another name 斉明天皇(Empress Saimei) 寶女王(Takaranohimemiko) 寶皇女(Takaranohimemiko) 天豐財重日足姬天皇(Ametoyotakaraikashihitarashihimenosumeramikoto) 皇極天皇(Empress Kōgyoku) Mausoleum of Empress Saimei