United States Ambassador to Japan

High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! The United States Ambassador to Japan is the ambassador extraordinary and plenipotentiary from the United States to Japan. Since the opening of Japan by Commodore Matthew C. Perry, in 1854, the U.S. maintained diplomatic relations with Japan, except for the ten-year period following the attack on Pearl Harbor and the subsequent declaration of war on Japan by the United States. The United States maintains an embassy in Tokyo, with consulates-general in Osaka, Nagoya, Sapporo, Fukuoka, and Naha.