[1] He pursued a career as a sumo wrestler, joining the Nishonoseki stable under Tamanoumi Daitarō with the help of Kamikaze Shoichi.

He did not compete in the September 1954 tournament, and subsequently retired with a career record of 39 wins and 51 losses in the makuuchi division.

[3] On October 23, 1956, Yoshinosato competed in a tournament at the Osaka Prefectural Gymnasium to establish the inaugural Japanese Light Heavyweight Champion.

[3] He performed as a heel, wearing short tights, kneepads, and wooden clogs, and became notorious in the Tennessee area under the ring name "Devil Sato", a gimmick later used by protegé Akihisa Mera.

He repeatedly engaged in illegal attacks in the so-called "Tagosaku style", which became a tradition for Japanese heels in the United States.

"[3] When he finished sorting out the remaining affairs of the Japan Pro Wrestling Alliance, he took home all of the employee badges that were left in the office.

In 1996, Yoshinosato became the inaugural chairman of the Rikidōzan Alumni Association & Pro Wrestling (a fraternal organization for former wrestlers).