It is also called Kuon Honbutsu, which is reflected in the temple's name as the Nichiren Sect of Buddhism grand head temple Minobusan Kuon-ji Temple (Minamikoma-gun, Yamanashi Prefecture).
久遠本仏とも呼び、日蓮宗総本山身延山久遠寺（山梨県南巨摩郡）の寺名にもなっている。