citizen of the emperor

(slang) person who lives outside of the major Japanese metropolitan areas (often in reference to hindered access to physical forms of cultural phenomena such as promotional events)

(historical) citizen of Japanese Korea

Tanka (Chinese boat person)

Japanese food, Japanese cuisine

Japanese foods, Japanese cuisine

Japanese-style painting - Japanese paintings based on Japonism

a Japanese sword

State of Japan (de facto official name of Japan, 1947 to present)

(rare) State of Japan (de facto official name of Japan, 1947 to present)