Ichizawa 【市沢】4 The Japanese surnames etymology dictionary.
Wakayama-ken . In 684 (Emperor Tenmu 13 years) there were rice stamps of surname of eight colors established. Wakayama-ken Kainan-shi It is distributed in Shimotsu-cho Komatsubara. In Ishikawa-ken Kanazawa-shi tell him that he was engaged in agriculture at Tsukigase of Nara-ken Nara-shi . Estimated in the Edo period. The pronunciation is Inaoki.