[1] Ito was one of the founding fathers of mixed martial arts in Brazil.
[2] Ito was an instructor of judo at Tokyo Imperial University in Japan.
[3] In 1911, Akitaro Ono and Tokugoro Ito joined Mitsuyo Maeda and Soshihiro Satake in Cuba.
He initially lost but later defeated Ad Santel in a wrestling match.
[3] Ito at the time was a 5th degree black belt in judo.