Quick answer — Yuuichi Takahashi worked on Blue Giant (Character Design), Mononoke The Movie: Chapter II - The Ashes of Rage (Chief Animation Director), Vivy -Fluorite Eye's Song- (Character Design) and 16 more anime.
Yuuichi Takahashi worked on Blue Giant (Character Design), Mononoke The Movie: Chapter II - The Ashes of Rage (Chief Animation Director), Vivy -Fluorite Eye's Song- (Character Design), The Summer Hikaru Died (Character Design), Macross Frontier: The Wings of Farewell (Character Design), Macross Frontier (Character Design), Stars Align (Character Design), Macross Frontier: The False Songstress (Character Design) and 11 more.