[1] He was raised in the Territory of Hawaii, graduated from Farrington High School, and served in the United States Marine Corps.

[1] He traveled to Japan, where he became known as Fuji Takeshi, and joined the boxing gym run by former professional wrestler Rikidōzan.

[4] In October 1967, Sports Illustrated noted that at the time, Fujii was one of only two world champions recognized by the WBA who was a native of the United States; the other nine were from other countries.

[5] Fujii successfully defended his world junior welterweight title in November 1967, after knocking out Willy Quatuor of West Germany.

[1] In June, 1970, Fujii was scheduled to face former world champion Eddie Perkins in a non-title match, but suddenly withdrew from the fight claiming to have an injury.

[7] Fujii's record as the undisputed world champion in the 140-pound (63.5 kg) class in 1968 was not repeated until 2001, when Russian Australian Kostya Tszyu claimed the IBF, WBA, and WBC titles.