Kamimasu 【上枡】3 The Japanese surnames etymology dictionary.
Gifu-ken , Ishikawa-ken , Hiroshima-ken . Terrain . From the North Seas. Gifu-ken Seki-shi Mikeagawa Town Hiraga-based. Ishikawa - ken Kahoku - shi is based in the Japan Islands . It was in the Edo period in the same place. There is a tale that he moved from Hokkaidou , Hyougo-ken from the same place. Hiroshima-ken Kure-shi Toyohama cho Hiishi Toshima is based. The land faces the Seto Inland Sea.