
Quick answer — Shigeru Watanabe worked on Memories (Production), Banner of the Stars (Planning), Mobile Suit Gundam Wing: Endless Waltz (Planning) and 5 more anime.
Shigeru Watanabe worked on Memories (Production), Banner of the Stars (Planning), Mobile Suit Gundam Wing: Endless Waltz (Planning), Cardcaptor Sakura: Leave it to Kero! (Executive Producer), Iria: Zeiram The Animation (Planning), Blue Submarine No. 6 (Executive Producer), Ceres, Celestial Legend (Executive Producer), 3x3 Eyes (Executive Producer).