Okada Tokitaro (1859〜1926) was one of Japanese colonial architects, in 1886 with whom famous architect Tatsuno Kingo established the first one of architectural offices in Japan. In the Russo-Japanese war Okada moved into Dalny, and in 1906 extending his building activities, opened Okada-komusho (architect and contractor) in Dalny. This paper introduces his building activities and shows them linked up with Japanese ruling over the Northeastern Province of China "Manchuria".
