Home Artists Koji Yamamoto Koji Yamamoto Artist Koji Yamamoto (山本耕史, Yamamoto Koji, born October 31, 1976) is a Japanese actor and singer, who was born in Tokyo, Japan. Personal facts Birth dateOctober 31, 1976 Birth placeJapan , Tokyo facebook tumblr linkedin twitter reddit google+ Search Topical connections Akiji KobayashiArtist Koji Yamamoto on Wikipedia Koji Yamamoto