
Quick answer — Akifumi Kaneko worked on Symphogear XV (Original Creator), Symphogear AXZ (Original Creator), Symphogear G (Original Creator) and 2 more anime.
Akifumi Kaneko worked on Symphogear XV (Original Creator), Symphogear AXZ (Original Creator), Symphogear G (Original Creator), Symphogear GX (Original Creator), Symphogear (Original Creator).