In the wake of Akira Kurosawa's bizarre behavior during production, and after his removal from "Tora! Tora! Tora!" (1970), Kikushima and others resigned from their executive positions with [Akira] Kurosawa Productions.
In addition to his accomplishments as a writer, his association with Akira Kurosawa led to him holding an executive position with [Akira] Kurosawa Productions.