Career
His name is alternatively transliterated as Ryō Hammura. While he wrote books as Ryō Hanmura is real name was Heitarō Kiyono (清野 平太郎, Kiyono Heitarō). One of his novels was the basis of the 1979 film G.I. Samurai (戦国自衛隊, Sengoku Jieitai).
A series of role-playing video games called The Legend of Heroes (英雄伝説, Eiyū Densetsu) was loosely based on his novel by the same name.