ko |name weight birth_place nationality article_title total birth_date draws wins realname losses style
8 masamori tokuyama super flyweight tokyo , japan kor south korean -lrb- born in ; represented -rrb- masamori tokuyama
 36 17 september 1974 1 32 chang-soo hong 3 orthodox
masamori tokuyama

because of his affiliation with north korea and his experience traveling to the country , he had been banned from entering south korea and the united states .
however , he changed his nationality to south korean in february , 2007 .
he studied korean language at yonsei university in south korea in march , 2007 .
