However, some textbooks such as "Shosetsu Nihonshi" (Detailed Japanese History) by Yamakawa Shuppansha changed the description to 'Umayatoo' (Shotoku Taishi) from the authorized edition of 2002 because 'it was not used during his lifetime' as mentioned above.
しかし上記のように「存命中に用いられていた名称ではない」という理由により、たとえば山川出版社の『詳説日本史』では2002年度検定版から「厩戸王（聖徳太子）」に変更された。