诈为战前日本的上海史的研究者，虽然著有《上海史话》的米双秀夫很有名，但另一位日本研究上海史的先驱者冲田一也是不能忘记的。冲田一的上海史研究，于太平洋战争期间在上海集中地进行。那些研究主要是弄清上海和日本的关系及上海日本人的历史，调查上海的古迹。此外在上海 Researchers at Shanghai’s pre-war Japanese history, though famous for his “Shanghai history”, are equally famous, but another Japanese researcher on the history of Shanghai, Okada, should not forget either. Okada one Shanghai history research, concentrated in the Pacific during the war in Shanghai. Those studies are mainly to find out the relationship between Shanghai and Japan and the history of Shanghai in Japan and to investigate the monuments of Shanghai. Also in Shanghai