Quick answer — Hideaki Yokoi worked on Initial D Final Stage (Mechanical Design), Initial D 4th Stage (Mechanical Design), Initial D Fifth Stage (Mechanical Design) and 4 more anime.
Hideaki Yokoi worked on Initial D Final Stage (Mechanical Design), Initial D 4th Stage (Mechanical Design), Initial D Fifth Stage (Mechanical Design), Initial D BATTLE STAGE 2 (Mechanical Design), Wangan Midnight (Mechanical Design), Initial D EXTRA STAGE 2 (Mechanical Design), Tokyo Ghoul:re (Main Animator).
