BTW, my Science Fiction: The Illustrated Encyclopedia has some sections on Japanese comics and anime. Here are some titles they identify as historically significant--read/seen any of these?
Comics: Tetsuwan Atomu (1952-1968), Space Battleship Yamomoto (1974-5), Galaxy Express 999 (1976-81), Akira (1982-93), Lum-Urusei Yatsura (1978-86), Appleseed (1985-), 2001 Nights (1984-6), Grey (1986)
TV/Anime: Ultraman (1966-7), Mazinger Z (1972-4), Kido Senshi Gundam (Mobile Suit Gundam) (1979-80), Chojiku Yosai Macross (Super Dimensional Fortress Macross) (1982-3), Chojiku Seiki Orguss (Super Dimensional Century Orguss) (1983-4), Kido Keisatsu Patlabor (Mobile Police Patlabor) (1989-91)