Quick answer — Yasuko Kobayashi worked on Attack on Titan Season 3 Part 2 (Series Composition), STEEL BALL RUN JoJo's Bizarre Adventure 1st STAGE (Series Composition), Attack on Titan Season 3 (Series Composition) and 26 more anime.
Yasuko Kobayashi worked on Attack on Titan Season 3 Part 2 (Series Composition), STEEL BALL RUN JoJo's Bizarre Adventure 1st STAGE (Series Composition), Attack on Titan Season 3 (Series Composition), Attack on Titan Season 2 (Series Composition), JoJo's Bizarre Adventure: Golden Wind (Series Composition), JoJo's Bizarre Adventure: Diamond is Unbreakable (Series Composition), Attack on Titan: No Regrets (Series Composition), JoJo's Bizarre Adventure: Stardust Crusaders - Battle in Egypt (Series Composition) and 21 more.