Nobuyo Oyama, a voice actress best known for playing the titular character in the popular Japanese anime series "Doraemon," has died, her agency said Friday. She was 90.A native of Tokyo, Oyama had a successful career as a voice actress after graduating from Haiyuza acting school.She started off dubbing a foreign drama before branching into various anime roles, including providing the original voice for Katsuo Isono in "Sazae-san," the world's longest-running animated TV show.But it was her portrayal of Doraemon, whom she played from 1979 to 2005 in the TV Asahi series, that was her most ic…READ FULL ARTICLE