Etymology and distribution of 藏角.

Kurakado 【藏角】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ehime-ken Uwajima-shi , Oosaka-fu , Hyougo-ken Kakogawa-shi . There is "Nobu" in the character of Mr. Ogami, who used Ooita-ken as the basis for the Heian period and the Kamakura period. 大神 Oogami reference.