 Presumably, he hung his gloves after the fight.Niida won the achievement award for the 41st Japan Professional Sports Grand Prize that year.In 2010, Niida founded a public company "World Famous" named after the entrance song of his champion days created by the Japanese rapper BiARD for him, and established a sports gym "Body Design 新井田式 (which means Niida method)" in Yokohama on November 20.