Quick answer — Atsushi Okui worked on Princess Mononoke (Director of Photography), Whisper of the Heart (Director of Photography), Mobile Suit Gundam 0080: War in the Pocket (Director of Photography) and 12 more anime.
Atsushi Okui worked on Princess Mononoke (Director of Photography), Whisper of the Heart (Director of Photography), Mobile Suit Gundam 0080: War in the Pocket (Director of Photography), Ponyo (Director of Photography), Porco Rosso (Director of Photography), When Marnie Was There (Director of Photography), The Boy and the Heron (Director of Photography), Mobile Suit Gundam: Char's Counterattack (Director of Photography) and 7 more.