Etymology and distribution of 推比乃.

Osupino 【推比乃】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Akita-ken . Korean type . There is a record of naturalization on Akita-ken Akita-shi on March 29, 1958. No mention of real name. There is Guo in the surname of Koreans. 郭 Kaku reference.