1962 Ninja, a Band of AssassinsWriter 1963 Shinobi no Mono 2: VengeanceWriter 1963 Shinobi no Mono 3: ResurrectionWriter 1964 Shinobi no Mono 4: SiegeScreenplay 1964 Shinobi No Mono 5: Return of Mist SaizoScreenplay 1965 Story of a ProstituteWriter 1965 The Ghost of the HunchbackWriter 1966 Zatoichi's VengeanceScreenplay 1966 Shinobi no mono 7: Mist Saizo Strikes BackScreenplay 1966 Shinobi no mono 8: The Three EnemiesScreenplay 1967 Sleepy Eyes of Death 9: Trail of TrapsScreenplay 1969 Crimson Bat, the Blind SwordswomanScreenplay 1970 The Ambush: Incident at Blood PassWriter 1971 Women's Prison for TortureScreenplay 1974 Return of the Street FighterScreenplay