
Quick answer — Hiroshi Yamaguchi worked on Gingitsune: Messenger Fox of the Gods (Series Composition), Aquarion EVOL (Script), Digimon Ghost Game (Script) and 9 more anime.
Hiroshi Yamaguchi worked on Gingitsune: Messenger Fox of the Gods (Series Composition), Aquarion EVOL (Script), Digimon Ghost Game (Script), Argento Soma (Series Composition), King of Thorn (Script), Re:Monster (Series Composition), To Heart (Series Composition), Bastard!! (Script) and 4 more.