Japanese
The term Japanese refers to anything originating from the nation-state or location of Japan on Earth, including its people and the Japanese language. 

During the Second World War, in which the United States of America was at war with Japan, Japanese-Americans were detained in internment camps, such as Manzanar, for "precautionary measures" due to the United States government's perception of them as a potential threat to its security. ()

Hoshi Sato and Keiko Ishikawa were also both of Japanese heritage; the former's father and the latter's grandmother both lived in Japan during their lifetimes. Sato herself was born in Kyoto, Japan. ( personnel record; ) 

Although they were both born in California, Buck Bokai and Hikaru Sulu's ancestors had their roots in Japan. (; )

A Human-occupied planet in the Delta Quadrant had many Japanese among its population of over a hundred thousand. ()

Before his racquetball match with Julian Bashir in 2370, Keiko O'Brien tied a silk handkerchief, medieval Japanese design, scented with perfume around her husband's head. ()

Appendices

Background information
The following names are those of Japanese heritage:

Fujisaki

Immamura
Ishikawa (Mrs.)

 (Starfleet)
 (UESPA)

Mitsuya
Nakamura
Nogami
Nogura

Sato (Mr.)

Tamura

External link

Earth groups