In 2005, Inoha was selected the Japan U-20 national team for 2005 World Youth Championship, but he did not play in the match. In January 2011, he was selected the Japan national team for 2011 Asian Cup. At this tournament, he debuted against Saudi Arabia on January 17. He played 4 matches and scored 1 goal, and Japan won the champions. He was also selected the Japan for 2014 World Cup, but he did not play in the match. He played 21 games and scored 1 goals for Japan until 2014.