Veteran Japanese animator, animation director, and character designer. Currently affiliated with Studio Pierrot. Kubo started working as an animator since the mid 1960s. He worked on a number of a Japanese animated cartoons with various animation companies. In the mid 1980s, he joined the newly formed PAC, which handled almost all of the animation duties of the various Rankin/Bass cartoons. His brother is fellow animator Hidemi Kubo.