Assigned to postings in the United States and Brazil, Uchida was instrumental in facilitating improved Japanese trade relations and emigration to both countries.
Consul General Uchida met with officials from the Texas Governor’s office, business owners in Houston, and other community leaders who gave him confidence that the Japanese would be welcomed into the region.
[4] Uchida's reports back to Japan of the agricultural conditions in Southeast Texas led to the migration of a number of Japanese businessmen and the development of rice cultivation in that region.
[8] Uchida also served in senior diplomatic posts as envoy to Sweden during the First World War and as High Commissioner to the Ottoman Empire.
Uchida's two story Shibuya, Tokyo home designed in 1910 by American architect James McDonald Gardiner, is preserved as a landmark feature of the Italian Garden Park in Yamate, Yokohama.