1983年，土器手開始參加國際電影社（日文：國際映畫社）作品《亞空大作戰斯蘭格爾》、《奈奈子SOS》、《超攻速加爾比昂》嘅動畫製作。並喺《亞空大作戰斯蘭格爾》第一次（第10話）擔任作畫監督，及《超攻速加爾比昂》擔任片頭曲動畫嘅原畫，之後先轉為自由身。
In 1983, he began to participate in the animation production of the works "Slrangel", "Nanako SOS", and "Super Attack Speed Garbiang" by the International Film Agency (Japanese: International Film Agency). He also served as the art supervisor for the first time (10th story) of "Slanger of the Aerospace Wars" and as the original artist for the animation of the opening song of "Super Attack Galbiang" before becoming a free agent.