
Quick answer — Jun Maeda worked on Clannad: After Story (Original Story), Angel Beats! (Original Creator), Clannad: Another World, Tomoyo Chapter (Music) and 11 more anime.
Jun Maeda worked on Clannad: After Story (Original Story), Angel Beats! (Original Creator), Clannad: Another World, Tomoyo Chapter (Music), Kanon (2006) (Music), Charlotte (Original Story), Little Busters!: EX (Insert Song Lyrics), Angel Beats! Specials (Original Creator), Little Busters! (Music) and 6 more.