Q: I've heard Toriyama has a direct role into your work, right?
T: Not only mine: he supervises every storyboard related to the Dragon Ball universe.
So I guess Toriyama supervises the anime storyboards?
Bird studio is sent everything, they approve it. I'm assuming they approve the trivial things without notifying Toriyama, and whenever there's designs or important story stuff they just ask him directly, then send it back to Toei.