Osamu Satō

1995

• [ ] Erotic Ghost Story: Female Ghost in Heat (Assistant Director) 
• [ ] Paizuri jukujo: Urazeme (Assistant Director) 
• [ ] Oda Kaoru: Kifujin O-jô no etsuraku (Assistant Director) 
• [ ] Haha to musume: Mejiri kosuriai (Assistant Director) 
• [ ] Hear the Whisper of a Rose (Second Assistant Director) 

1996

• [ ] OL Training: Harassing (Assistant Director) 
• [ ] Alliance of Desire (Assistant Director) 
• [ ] Molestation Diary: Peeking into Adulery (Assistant Director) 
• [ ] Mourning Wife's Secret Technique: Koshibano (Assistant Director) 
• [ ] Running Men (Assistant Director) 
• [ ] Kotoba de nureru hitozumatachi (Assistant Director) 
• [ ] Chikan to nozoki: Onna kachô no shiseikatsu (Assistant Director) 
• [ ] Chikan kyonyû densha: Yurete hasande (Assistant Director) 
• [ ] Mikkai no onnatachi: Hitozuma kara joshidaisei made (Assistant Director) 
• [ ] Hitozuma pachinkaa: Tama korogashi (First Assistant Director) 
• [ ] Ichido hashitai tonari no nyôbô (First Assistant Director) 

1997

• [ ] Gays in Wonderland (Assistant Director) 
• [ ] Real Mature Woman: Deep Inside Her Ass (Assistant Director) 
• [ ] Inkô Kazoku: Gibo to Nyôbô no Imôto (Assistant Director) 
• [ ] Kôkô kyôshi: Kuroi shitagi onugu toki (First Assistant Director) 
• [ ] Bôkô no jitsuroku: Nakisakebu onnatachi (Assistant Director) 
• [ ] Virgin Sniper (First Assistant Director) 
• [ ] I Thought About You (First Assistant Director) 
• [ ] New Cruising Love Story (Second Assistant Director) 
• [ ] Forbidden Games (First Assistant Director) 

1998

• [ ] No Panties Groper Train: Completely Exposed!! (Assistant Director) 

1999

• [ ] Groper Train: Deep Inside (Assistant Director) 
• [ ] Groper Train: Naughty Gaze (Assistant Director) 
• [ ] Wakana Sena: Hajirai no sei (Assistant Director) 

2000

• [ ] Whore Angels (Assistant Director) 
• [ ] Man's Man's World (Assistant Director) 
• [ ] Chikan densha: Kyonyû momimomi (Assistant Director) 
• [ ] Loli iro no seishitagi (Assistant Director) 
• [ ] Female Molester Investigator 3: Shameful Techniques (Assistant Director) 

2001

• [ ] Groper Train: Lewd Female in Heat (Assistant Director) 
• [ ] Wakazuma kairaku lesson: Toriko (Assistant Director) 
• [ ] Fluffy Sexy Boys (First Assistant Director) 
• [ ] Silence of the Sushi Rolls (Assistant Director) 

2002

• [ ] Red Nagajuban: Married Woman Unresting Bed (Assistant Director) 
• [ ] Married Woman Boutique: Women Indulging in Scandalous Love Affair (Director) 
• [ ] Midnight Stalker (Assistant Director) 
• [ ] Geinô Ura Jôji: Juku Niku no Kanshoku (Assistant Director) 
• [ ] Chikan densha: Misemasu kyonyû (Assistant Director) 
• [ ] The Night of the Earthquake (Assistant Director) 
• [ ] Office Lady, Confession, Flaming Romance (Assistant Director) 
• [ ] Tantei monogatari: Amaku midarana wana (Assistant Director) 
• [ ] Gibo no himitsu: Musuko aibu (Assistant Director) 

2003

• [ ] Beautiful Blooming (Assistant Director) 
• [ ] Nurse Sisters (Director) 
• [ ] The Gaze of a Beautiful Boy (First Assistant Director) 

2004

• [ ] Married Office Lady: Beautiful Girl Apartment in Agony (Assistant Director) 
• [ ] Labyrinth of Love (First Assistant Director) 
• [ ] Hitozuma taxi: Kyonyû ni norikomu (Assistant Director) 

2005

• [ ] Coming Out (Director) 
• [ ] The Secret in the Attic (Assistant Director) 

2006

• [ ] Married Woman & Office Lady: Breast Comparison (Director) 
• [ ] The Con Artist (First Assistant Director) 
• [ ] Mature Mother & Daughter Orgy (Assistant Director) 
• [ ] Uzuku hitozumatachi: Renzoku furin (Assistant Director) 

2007

• [ ] New Tokyo Decadence: The Slave (Director) 
• [ ] Akiho Yoshizawa Temptation: Eating Me (Director) 
• [ ] Nice Guy Private Eye (First Assistant Director) 
• [ ] Widow Apartment (Assistant Director) 
• [ ] Furin chûdoku: Kannô no madoromi (Assistant Director) 

2008

• [ ] The Beast-like Wife (Director) 
• [ ] Rashin no uragao: Fushidara na ai (Assistant Director) 
• [ ] Love Affair Planet (Director) 
• [ ] Sexy Sisters of Sorrow (Assistant Director) 

2009

• [ ] Angel drops (Director) 
• [ ] Three Slave Women (Director) 
• [ ] Honban ôdishon: Yarareppanashi (Director) 

2013

• [ ] The Last Scene You Loved (Director) 

2014

• [ ] Treasure Ship: Latitudes of Lust (Assistant Director) 

2016

• [ ] Lovely young wife, don't tell your husband (Director) 
• [ ] The Temptation Came at Stormy Night (Assistant Director) 

2017

• [ ] Tokyo Fetish (Director) 

2020

• [ ] Town Without Sea (Assistant Director) 

2024

• [ ] Taiyo ga shoppai (Assistant Director) 
• [ ] Silent Love (Assistant Director) 

2025

• [ ] Night Flower (Assistant Director) 
• [ ] Gyakka (Assistant Director) 
• [ ] Hold me tighter than anyone else (Assistant Director) 

2002

• [ ] Married Woman Boutique: Women Indulging in Scandalous Love Affair (Screenplay) 

2003

• [ ] Nurse Sisters (Writer) 

2007

• [ ] Akiho Yoshizawa Temptation: Eating Me (Screenplay) 

2008

• [ ] The Beast-like Wife (Screenplay) 

2009

• [ ] Angel drops (Screenplay) 

1996

• [ ] Married Woman Breeding Diary: First Night of Affair (Cinematography) 

1997

• [ ] Noctiluca (Assistant Camera) 
• [ ] Tousen - The Election (Assistant Camera) 

2003

• [ ] Beasts Under the Moon (Assistant Camera)