Yutaka Kohira

1971

• [ ] Patience Has An End (Assistant Director) 

1972

• [ W ] Female Prisoner #701: Scorpion (Assistant Director) 

1973

• [ W ] Female Prisoner Scorpion: #701's Grudge Song (Assistant Director) 

1974

• [ ] A Blood Stained Love Affair (Assistant Director) 

1975

• [ ] Green Lovers (Director) 
• [ ] Graveyard of Honor (Assistant Director) 

1976

• [ ] New Female Prisoner 701: Scorpion (Director) 
• [ ] Dragon Princess (Director) 
• [ ] Hell Riders (Director) 

1977

• [ ] New Female Prisoner Scorpion: Special Cellblock X (Director) 
• [ ] Shinjuku's Number One Drunk-Killer Tetsu (Director) 

1979

• [ ] The Fighting Rascal (Director) 

1982

• [ ] 真紅な動輪 (Director) 

1985

• [ ] Boys Meet Girls (Director) 

1986

• [ ] Virgin Boy's Story (Director) 

1994

• [ ] Chinpira Jingi: Gokuraku Tonbo (Director) 

1995

• [ ] チンピラ仁義 極楽とんぼ2 (Director) 

1997

• [ ] Taboo (Director) 

1975

• [ ] Green Lovers (Screenplay) 
• [ ] Deep Throat in Tokyo (Screenplay) 

1977

• [ ] Shinjuku's Number One Drunk-Killer Tetsu (Screenplay) 

1979

• [ ] The Fighting Rascal (Screenplay) 
• [ ] The Fighting Rascal (Story) 

1983

• [ ] Headphone Lullaby (Screenplay)