sentences:  In 1998, he was among the first four Japanese players to participate in an NFL training camp when he participated in the Green Bay Packers camp.In 2003, he was invited to the San Francisco 49ers training camp in 2003, and participated in the American Bowl exhibition game in the Osaka game between the 49ers and the Washington Redskins.He signed with the 49ers in 2003 but was released before the start of the season.