Kouichi Maruyama
丸山宏一
参与制作（17）
钢之炼金术师 Key Animation (ep 31)
恋如雨止 Key Animation (ep 12)
攻壳机动队 STAND ALONE COMPLEX Animation Director (eps 14, 18) · Key Animation (eps 3, 18)
花开伊吕波 Animation Director (ep 19) · Assistant Animation Director (eps 16, 22)
头文字D Second Stage Animation Director (eps 2, 6, 10) · In-Betweens Check (eps 2, 6, 10) · Key Animation (eps 2, 6)
精灵守护者 Animation Director (ep 14)
攻壳机动队 S.A.C. Solid State Society Key Animation
奇幻旅程 Animation Director (eps 2, 5, 10, 16)
哆啦A梦 Character Design (eps 314-377)
无家可归的小孩 Animation Director (eps 9, 12, 17, 19, 23) · Assistant Animation Director (eps 1, 3, 5)
哆啦A梦：大雄的金银岛 Animation Director
哆啦A梦：大雄的月球探险记 Animation Director · Character Design · Chief Animation Director
零战士 Animation Director (eps 1, 2, 7, 13)
哆啦A梦：大雄的宇宙小战争 2021 Character Design · Chief Animation Director
哆啦A梦：大雄的地球交响乐 Assistant Animation Director
Ie Naki Ko Remi (OVA) Animation Director (ep 2)
海龟与少年 Animation Director