Yoshihiro Sakaguchi

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Yoshihiro Sakaguchi
Local 坂口 由洋 (さかぐち よしひろ)
Born 1965?
Birth Place Unknown
Nationality Japanese   Japan.svg
Aliases ゆうきちゃんのパパ (Yuukichan's Papa), Yukichan no Papa, Youki chan's Papa, Yuukichyans Papa, Y. Sakaguchi, Yoshihiro "Oyabun" Sakaguchi, New Hero Sakaguchi, New Face Yoshihiro, Sakaguchi, Saka

Yoshihiro Sakaguchi worked for Capcom from the late 1980s to the mid 1990s. He worked as the sound producer and designed Capcom's sound drivers for the NES, SNES, TurboGrafx-16, and multiple arcade drivers. His most used driver is the NES driver which is responsible for the recognizable sound of Capcom games.

Sakaguchi originally joined Capcom in the 1980s with the intention of being a sound producer. However, he was also required to learn the hardware of the consoles they worked on. Though Sakaguchi is mainly known for his sound programming, he did compose music for a few titles including the arcade versions of Street Fighter and Final Fight. During the SNES era, Sakaguchi started focusing on sound programming while hiring other composers to write the music.

Sakaguchi decided to leave Capcom in the 1990s to become a sound designer and editor in the film industry, and has been doing so for over a decade. His studio is in Shibuya, Tokyo, Japan.

Audio Development


Sakaguchi programmed a sound engine in 6502 assembly. Like many other sound engines at the time, it required its user to enter musical notation using hexadecimal numbers for note pitch and length, as well as other effects.


Released Title Sample Notes
1986-02-08 SonSon (FC) (ソンソン)
Sound Driver
1986-06-13 Ghosts 'N Goblins (NES) (魔界村)
Sound Driver
1986-09-27 Commando (NES) (戦場の狼) Sound
1986-12-24 Trojan (NES) (闘いの挽歌)
Sound Driver
1987-??-?? Higemaru Makaijima: Nanatsu no Shima Daibouken (MSX) (ひげ丸魔界島 〜七つの島大冒険〜) Sound Composer
1987-02-01 Avengers (ARC)
1987-04-14 Higemaru Makaijima: Nanatsu no Shima Daibouken (FC) (ひげ丸魔界島 〜七つの島大冒険〜) Sound Composer
1987-06-?? 1943: The Battle of Midway (ARC) (1943 ミッドウェイ海戦))
1987-07-?? Section-Z (NES) (セクションZ)
Sound Driver
1987-08-?? Street Fighter (ARC)
1987-09-24 Ide Yosuke Meijin no Jissen Mahjong (FC) (井出洋介名人の実戦麻雀) Sound Driver
1987-12-17 Mega Man (NES) (ロックマン)
Sound Driver
1988-02-?? Gun.Smoke (NES)
Sound Driver
1988-06-?? Forgotten Worlds (ARC) (フォゴッテンワールド)
1988-06-01 1943 Kai (ARC)
1988-06-20 1943: The Battle of Midway (NES) (1943 ミッドウェイ海戦) Sound Driver
1988-07-?? Legendary Wings (NES) Sound Driver
1988-07-20 Bionic Commando (NES) (ヒットラーの復活: Top Secret)
Sound Driver
1988-11-15 Samurai Sword (FDS) (サムライソード) Sound Program
1988-12-24 Mega Man II (NES) (ロックマン2 Dr.ワイリーの謎)
Sound Driver
1988-12-24 Pro Yakyuu? Satsujin Jiken! (FC) (プロ野球?殺人事件!) Sound Driver
1989-??-?? Disney's DuckTales (GB) (わんぱくダック夢冒険) Sound Driver
1989-01-27 SonSon II (PCE) (ソンソンII)
1989-05-19 Destiny of an Emperor (NES) (天地を喰らう) Sound Driver
1989-07-?? Strider (NES) Sound Driver
1989-09-?? Disney's DuckTales (NES) (わんぱくダック夢冒険)
Sound Driver
1989-12-?? Final Fight (ARC) (ファイナルファイト)
1990-02-23 Code Name: Viper (NES) (人間兵器デッドフォックス)
Sound Driver
1990-03-01 Adventure Quiz 2: Hatena? no Daibouken (ARC)
1990-04-?? Mercs (ARC) (戦場の狼Ⅱ) Sound Program
1990-06-?? Disney Adventures in the Magic Kingdom (NES) Sound Driver
1990-06-08 Disney's Chip 'n Dale: Rescue Rangers (NES) (チップとデールの大作戦) Sound Driver
1990-08-08 Street Fighter 2010: The Final Fight (NES) (2010 ストリート ファイター) Sound Driver
1990-09-?? Little Nemo: The Dream Master (NES) (パジャマヒーロー NEMO)
Sound Driver
1990-09-28 Mega Man III (NES) (ロックマン3 Dr.ワイリーの最期!?) Sound Driver
1991-04-05 Tenchi o Kurau II: Shokatsu Koumei Den (FC) (天地を喰らうII・諸葛孔明伝) Sound Driver
1991-07-19 Disney's The Little Mermaid (NES) (リトル・マーメイド 人魚姫) Sound Driver
1991-07-26 U.N. Squadron (SNES) (エリア88) Sound Programming
1991-12-?? Disney's TaleSpin (NES) Sound Driver
1991-12-06 Mega Man IV (NES) (ロックマン4 新たなる野望!!) Sound Driver
1992-06-?? Disney's Darkwing Duck (NES) Sound Driver
1992-06-10 Street Fighter II: The World Warrior (SNES) (ストリートファイターⅡ) Sound Design
1992-07-17 Final Fight (X68) (ファイナルファイト)
1992-07-17 Gargoyle's Quest II (NES) (レッドアリーマーⅡ) Sound Driver
1992-09-?? Warriors of Fate (ARC) (天地を喰らう2: 赤壁の戦い) Sound Program
1992-12-04 Mega Man V (NES) (ロックマン5 ブルースの罠!?) Sound Driver
1993-01-15 Wily and Light no Rock Board: That's Paradise (FC) (ワイリー&ライトのRockBoard ザッツ*パラダイス) Sound Driver
1993-04-03 Breath of Fire (SNES) (ブレスオブファイア~竜の戦士~) Sound Programmer
1993-06-11 Mighty Final Fight (NES) (マイティ ファイナルファイト) Sound Driver
1993-06-12 Street Fighter II': Champion Edition (PCE) (ストリートファイター2ダッシュ) Sound Software Design
1993-07-11 Street Fighter II: Turbo (SNES) (ストリートファイターII ターボハイパーファイティング) Sound Design
1993-11-05 Mega Man VI (NES) (ロックマン6 史上最大の戦い!!) Sound Driver
1994-??-?? Super Street Fighter II (SNES)
1996-03-22 Tenchi o Kurau II: Sekiheki no Tatakai (PS1) (天地を喰らう2: 赤壁の戦い) Sound Program
1996-09-06 Tenchi O Kurau II (SS) (天地を喰らう2: 赤壁の戦い) Sound Program
2001-07-06 Breath of Fire (GBA) (ブレスオブファイア~竜の戦士~) Sound Programmer
2016-07-19 I Am Setsuna (PC) (いけにえと雪のセツナ) Sound Design
Unreleased Titan Warriors (NES) Sound Driver
Unreleased California Raisins: The Grape Escape (NES)
Sound Driver


Yoshihiro often used the alias Yuukichan's Papa, or spelling iterations thereof, suggesting he has a child either nicknamed Yuki or has yuki in their name.

In the ROM text of Commando (NES), his name is listed as Saka, a simple consolidation of his surname. The kanji "Saka" in his last name (坂) means "slope" or "hill".

Picture Gallery