Etymology and distribution of 改発.

Kaihatsu 【改発】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Kumamoto-ken Tamana-shi , Kagoshima-ken · Oosaka-fu . Distribution that also includes Yoshinaga.

① Kumamoto-ken Tamana-shi Mitsuyukawa is based. There is the era of 1848 to 1854 (Yoshinaga (Kaei) year).

② Kagoshima-ken Ooshima-gun Uken-son Distributed in Yu bay . Kagoshima-ken 's Amami archipelago has one character last name: Jia, Yong. 嘉 Yoshimi reference. 永 Naga reference.

Kaihotsu 【改発】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Hyougo-ken , Kagawa-ken Higashikagawa-shi , Oosaka-fu . Hyougo-ken Akou-shi Kamakuya was in the Edo period in the Ako samurai of the clan office. In the Shimane-ken western part (formerly Iwami-kuni) there is a transmission of Kouchi-ken . Shimane-ken Masuda-shi The gold field (Kanjiji) in Mt.Chi town has been recorded since the Edo era.