
Quick answer — Junichi Akutsu worked on Code Geass: Lelouch of the Rebellion R2 (Knightmare Design), Mobile Suit Gundam SEED FREEDOM (Mechanical Design), Mobile Suit Gundam Seed (Design Assistance) and 1 more anime.
Junichi Akutsu worked on Code Geass: Lelouch of the Rebellion R2 (Knightmare Design), Mobile Suit Gundam SEED FREEDOM (Mechanical Design), Mobile Suit Gundam Seed (Design Assistance), The Girl Who Leapt Through Space (Mechanical Design).