birthdate: '1965-08-04'
birthplace: Yokohama City, Kanagawa, Japan
discography:
- catalog: H30X-20010
  date: '1988-10-25'
  link: album/4396
  reprint: false
  roles:
  - Composer
  titles:
    en: All Sounds of Last Armageddon
    ja: ラスト・ハルマゲドン全曲集
    ja-latn: Last Armageddon Zenkyokushuu
  type: game
- catalog: TOCT-6114
  date: '1991-04-12'
  link: album/5621
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: Kaizou Choujin Shubibinman 1&2
    ja: 改造町人シュビビンマン1&2
    ja-latn: Kaizou Choujin Shubibinman 1&2
  type: game
- catalog: TKCA-30298
  date: '1991-05-25'
  link: album/4399
  reprint: false
  roles:
  - Arranger
  titles:
    en: Blue Almanac
    ja: ブルーアルマナック
    ja-latn: Blue Almanac
  type: game
- catalog: NACL-1088
  date: '1993-02-21'
  link: album/3064
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: Cho Aniki -Aniki no Subete- / Koji Hayama
    ja: 超兄貴 -兄貴のすべて- / 葉山宏治
    ja-latn: Cho Aniki -Aniki no Subete- / Koji Hayama
  type: game
- catalog: NADL-1061
  date: '1993-08-21'
  link: album/7920
  reprint: false
  roles:
  - Vocals
  - Guitar
  - Composer
  - Music Data
  - Lyricist
  - Arranger
  titles:
    en: THE ANIKI WITHOUT JINKI / Kohji Hayama
    ja: 仁義なき兄貴 / 葉山宏治
    ja-latn: Jingi Naki Aniki / Kohji Hayama
  type: game
- catalog: NACL-1140
  date: '1994-01-01'
  link: album/2794
  reprint: false
  roles:
  - Script Planner
  - Vocals
  - Composer
  - Cast
  - Music Data
  - Lyricist
  - Arranger
  titles:
    en: Cho Hayama ~ Aniki Bangaichi / Kohji Hayama
    ja: 超葉山～兄貴番外地 / 葉山宏治
    ja-latn: Cho Hayama ~ Aniki Bangaichi / Kohji Hayama
  type: game
- catalog: KICA-7626
  date: '1994-01-21'
  link: album/4137
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: TWINBEE PARADISE Vol.1
    ja: ツインビーPARADISE Vol.1
    ja-latn: TWINBEE PARADISE Vol.1
  type: drama
- catalog: NACL-1144
  date: '1994-03-01'
  link: album/7231
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: Rose Colored Life / Koji Hayama and Friends
    ja: ばら色の人生／葉山宏治と仲間たち
    ja-latn: Barairo no Jinsei / Koji Hayama to Nakamatachi
  type: game
- catalog: KICA-7636
  date: '1994-04-21'
  link: album/4471
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: TWINBEE PARADISE / SING! VOCAL BATTLE COMPILATION
    ja: ツインビー パラダイス／熱唱！ボーカルバトル編
    ja-latn: TWINBEE PARADISE / NESSHOU! VOCAL BATTLE HEN
  type: drama
- catalog: NAVL-10020
  date: '1994-12-16'
  link: album/17503
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: 'VIRTUAL BROTHER: Kohji Hayama & Brothers Live 6 Renpatsu Special'
    ja: VIRTUAL BROTHER 葉山宏治＆ブラザーズ Live6連発スペシャル
    ja-latn: 'VIRTUAL BROTHER: Kohji Hayama & Brothers Live 6 Renpatsu Special'
  type: game
- catalog: NACL-1173
  date: '1995-03-21'
  link: album/7218
  reprint: false
  roles:
  - Guitar
  - Composer
  - Recording Engineer
  - Mixing Engineer
  - Music Data
  - Lyricist
  titles:
    en: Anesan / Kohji Hayama
    ja: 姐(あねさん) / 葉山宏治
    ja-latn: Anesan / Kohji Hayama
  type: game
- catalog: NACL-1188
  date: '1995-08-19'
  link: album/274
  reprint: false
  roles:
  - Songwriter
  - Performer
  titles:
    en: Gran Chaser
    ja: Gran Chaser
    ja-latn: Gran Chaser
  type: game
- catalog: NACL-1189
  date: '1995-09-21'
  link: album/15429
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  - Programmer
  - Mixing Engineer
  titles:
    en: 'Game Music Is Dead: THE SUCCESSIVE KINGS'
    ja: Game Music Is Dead" ～歴代の王様～
    ja-latn: Game Music Is Dead" ~Rekidai no Ousama~
  type: game
- catalog: KICA-7692
  date: '1996-02-16'
  link: album/8167
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: Twinbee Vocal Paradise featuring MARIKO KOUDA
    ja: ツインビー・ヴォーカル・パラダイス フィーチャリング MARIKO KOUDA
    ja-latn: Twinbee Vocal Paradise featuring MARIKO KOUDA
  type: drama
- catalog: TYCY-5487
  date: '1996-03-27'
  link: album/2791
  reprint: false
  roles:
  - Composer
  titles:
    en: 'Cho Aniki: Kyuukyoku Muteki Ginga Saikyou Otoko'
    ja: 超兄貴 究極無敵銀河最強男
    ja-latn: 'Cho Aniki: Kyuukyoku Muteki Ginga Saikyou Otoko'
  type: game
- catalog: TYCY-5491
  date: '1996-04-24'
  link: album/8567
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: Kinzoku Bat Number 1 / Koji Hayama
    ja: 筋属バット一号 / 葉山宏治
    ja-latn: Kinzoku Bat Number 1 / Koji Hayama
  type: game
- catalog: KICA-7705
  date: '1996-06-21'
  link: album/4794
  reprint: false
  roles:
  - Vocals
  - Guitar
  - Composer
  - Lyricist
  titles:
    en: TWINBEE PARADISE 3 Vol.1
    ja: ツインビーPARADISE 3 Vol.1
    ja-latn: TWINBEE PARADISE 3 Vol.1
  type: drama
- catalog: POCX-1036
  date: '1996-07-01'
  link: album/17504
  reprint: false
  roles:
  - Composer
  titles:
    en: Kaitou Saint Tail allstar Song Collection
    ja: 怪盗セイント・テール オールスター ソングコレクション
    ja-latn: Kaitou Saint Tail allstar Song Collection
  type: anime
- catalog: TYVY-5012
  date: '1996-07-24'
  link: album/6927
  reprint: false
  roles:
  - Vocals
  - Guitar
  - Composer
  - Lyricist
  titles:
    en: 'Kinzoku: The King of Game Music Live ~Koji Hayama & New Brothers~'
    ja: 'Kinzoku: The King of Game Music Live ~Koji Hayama & New Brothers~'
    ja-latn: 'Kinzoku: The King of Game Music Live ~Koji Hayama & New Brothers~'
  type: game
- catalog: KICA-7721
  date: '1996-08-21'
  link: album/7948
  reprint: false
  roles:
  - Vocals
  - Composer
  - Lyricist
  titles:
    en: Twinbee Paradise 3 Vocal Festival! Wasshoi Edition
    ja: ツインビーPARADISE3 ボーカル祭りだ! ワッショイ編
    ja-latn: Twinbee Paradise 3 Vocal Festival! Wasshoi Edition
  type: drama
- catalog: PCCB-00264
  date: '1997-06-18'
  link: album/2848
  reprint: false
  roles:
  - Composer
  titles:
    en: D-Xhird -Arrange Sound Trax-
    ja: ディサード アレンジサウンドトラックス
    ja-latn: D-Xhird -Arrange Sound Trax-
  type: game
- catalog: KICA-5001
  date: '1997-08-21'
  link: album/1895
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  titles:
    en: Teikoku - Men's Empire
    ja: 帝国/葉山宏治
    ja-latn: Teikoku - Men's Empire
  type: game
- catalog: TECD-25423
  date: '1998-11-21'
  link: album/9750
  reprint: false
  roles:
  - Interviewee
  - Special Thanks
  titles:
    en: Puyo Puyo Sun DX. Complete Best Album 3
    ja: ぷよぷよ Sun DX. Complete Best Album 3
    ja-latn: Puyo Puyo Sun DX. Complete Best Album 3
  type: game
- catalog: '03010'
  date: '1999'
  link: album/141947
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: Aniki Zenya ~ Masaya Collection VOL.1 / Koji Hayama
    ja: 兄貴前夜〜メサイヤコレクション VOL.1 / 葉山宏治
    ja-latn: Aniki Zenya ~ Masaya Collection VOL.1 / Koji Hayama
  type: game
- catalog: KICA-5032
  date: '1999-04-23'
  link: album/17499
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: Cho Aniki Densetsu '99 -Best & Super Remix-
    ja: '''99　超兄貴伝説～ベスト&スーパーリミックス～'
    ja-latn: Cho Aniki Densetsu '99 -Best & Super Remix-
  type: game
- catalog: KMCA-13
  date: '1999-07-02'
  link: album/6837
  reprint: false
  roles:
  - Vocals
  - Composer
  - Lyricist
  - Arranger
  titles:
    en: 10th ANNIVERSARY KONAMI LABEL VOCAL HISTORY COLLECTION
    ja: 10thアニバーサリー コナミレーベル ボーカルヒストリーコレクション
    ja-latn: 10th ANNIVERSARY KONAMI LABEL VOCAL HISTORY COLLECTION
  type: game
- catalog: KMCS-3
  date: '1999-08-06'
  link: album/17263
  reprint: false
  roles:
  - Composer
  - Arranger
  - Lyricist
  titles:
    en: My Best Friend 2 / Mariko Kouda
    ja: マイベストフレンドツー ／ 國府田マリ子
    ja-latn: My Best Friend 2 / Mariko Kouda
  type: anime
- catalog: SSCX-10035
  date: '1999-09-22'
  link: album/78
  reprint: false
  roles:
  - Composer
  - Arranger
  - Producer
  - Liner Notes
  titles:
    en: front mission 3 Original Soundtrack
    ja: フロントミッション サード オリジナル・サウンドトラック
    ja-latn: front mission 3 Original Soundtrack
  type: game
- catalog: BICA-5002
  date: '1999-10-27'
  link: album/1918
  reprint: false
  roles:
  - Composer
  - Performer
  - Lyricist
  titles:
    en: 'TEN PLANTS 2: CHILDREN SONGS'
    ja: 'TEN PLANTS 2: CHILDREN SONGS'
    ja-latn: 'TEN PLANTS 2: CHILDREN SONGS'
  type: works
- catalog: FSCA-10124
  date: '2000-03-15'
  link: album/7131
  reprint: false
  roles:
  - Song Composer
  - Vocals
  - Lyricist
  - Arranger
  - Liner Notes
  titles:
    en: Cho Aniki ~ Otoko no Tamashii
    ja: 超兄貴～男の魂
    ja-latn: Cho Aniki ~ Otoko no Tamashii
  type: game
- catalog: FSCA-10125
  date: '2000-03-15'
  link: album/3377
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: SUPER ROBOT WARS α ORIGINAL SCORE I ~Sky Chapter~
    ja: スーパーロボット大戦α ORIGINAL SCORE I ～天空の章～
    ja-latn: Super Robot Taisen Alpha Original Score I ~Tenkuu no Shou~
  type: game
- catalog: SCDC-00065
  date: '2001-02-07'
  link: album/8039
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  titles:
    en: Ashita wa Hareru / Koji Hayama
    ja: 明日は晴れる / 葉山宏治
    ja-latn: Ashita wa Hareru / Koji Hayama
  type: works
- catalog: KRCD-0001
  date: '2002-08-04'
  link: album/17511
  reprint: false
  roles:
  - Composer
  titles:
    en: Genki o Daseyo!! / Koji Hayama
    ja: 元気を出せよ!! ／ 葉山宏治
    ja-latn: Genki o Daseyo!! / Koji Hayama
  type: works
- catalog: OMCP-27
  date: '2003-07-23'
  link: album/9796
  reprint: false
  roles:
  - Composer
  - Arranger
  - Commentary
  titles:
    en: Plenty of pretty sisters! -Mayuka & Fuyuno in Summer Vacation-
    ja: 妹でいこう! -麻由夏と冬乃の夏休み-
    ja-latn: Imouto de Ikou! -Mayuka to Fuyuno no Natsuyasumi-
  type: game
- catalog: CPCA-1083
  date: '2003-12-17'
  link: album/2153
  reprint: false
  roles:
  - Remixer
  - Arranger
  titles:
    en: STREET FIGHTER Tribute Album
    ja: ストリートファイター トリビュートアルバム
    ja-latn: STREET FIGHTER Tribute Album
  type: game
- catalog: OMCP-33
  date: '2004-03-17'
  link: album/8950
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  titles:
    en: Aniki Shinsekai / Koji Hayama
    ja: 兄貴新世界 / 葉山宏治
    ja-latn: Aniki Shinsekai / Koji Hayama
  type: game
- catalog: GMCP-1002
  date: '2004-06-23'
  link: album/1806
  reprint: false
  roles:
  - Composer
  titles:
    en: Yoshinoya Original Soundtrack
    ja: 吉野家　オリジナルサウンドトラック
    ja-latn: Yoshinoya Original Soundtrack
  type: game
- catalog: WWCE-31052~3
  date: '2004-10-27'
  link: album/2078
  reprint: false
  roles:
  - Composer
  titles:
    en: SEGA Saturn History ~Saturn Was Young~ First Volume
    ja: セガサターンヒストリー ～サターンが青春だった～ 上巻
    ja-latn: SEGA Saturn History ~Saturn Was Young~ First Volume
  type: game
- catalog: ALCHEMIST-004
  date: '2005-04-07'
  link: album/54602
  reprint: false
  roles:
  - Arranger
  titles:
    en: MEGA-CD.EXE
    ja: MEGA-CD.EXE
    ja-latn: MEGA-CD.EXE
  type: bonus
- catalog: N/A
  date: '2005-08-29'
  link: album/30077
  reprint: false
  roles:
  - Composer
  - Arranger
  - Performer
  - Lyricist
  titles:
    en: Mirai wa Hikaru
    ja: 未来は光る
    ja-latn: Mirai wa Hikaru
  type: game
- catalog: LACA-9057~60
  date: '2005-09-22'
  link: album/13722
  reprint: false
  roles:
  - Composer
  titles:
    en: SUPER ROBOT WARS α III ORIGINAL SOUNDTRACK
    ja: 第３次スーパーロボット大戦α -終焉の銀河へ- オリジナルサウンドトラック
    ja-latn: Dai-3-ji Super Robot Taisen Alpha -Shuuen no Ginga e- Original Soundtrack
  type: game
- catalog: N/A
  date: '2005-10-07'
  link: album/8640
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: ANIKI LIVE MUSIC
    ja: ANIKI LIVE MUSIC
    ja-latn: ANIKI LIVE MUSIC
  type: game
- catalog: N/A
  date: '2006-07-14'
  link: album/9481
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: Kinzoku Bat Number 1 The Original Version
    ja: 筋属バット一号 オリジナルバージョン
    ja-latn: Kinzoku Bat Number 1 The Original Version
  type: game
- catalog: N/A
  date: '2006-10-19'
  link: album/9489
  reprint: false
  roles:
  - Composer
  titles:
    en: Honoo no Takuhaibin Original Soundtrack
    ja: 炎の宅配便 オリジナル・サウンドトラックス
    ja-latn: Honoo no Takuhaibin Original Soundtrack
  type: game
- catalog: INTIR-008~9
  date: '2006-10-27'
  link: album/3286
  reprint: false
  roles:
  - Voice
  - Computer Programmer
  - Arranger
  titles:
    en: 'Rockman ZX Soundtrack: ZX Tunes'
    ja: ロックマン ゼクス サウンドトラック ゼクス チューンズ
    ja-latn: 'Rockman ZX Soundtrack: ZX Tunes'
  type: game
- catalog: N/A
  date: '2006-12-20'
  link: album/9496
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: OLD&GOLD Outtake Collection
    ja: アウトテイク集『OLD＆GOLD』
    ja-latn: OLD&GOLD Outtake Collection
  type: game
- catalog: HBMC-041
  date: '2007-04-06'
  link: album/4667
  reprint: false
  roles:
  - Composer
  - Lyricist
  titles:
    en: Figurehead Original Soundtrack
    ja: Figurehead オリジナルサウンドトラック
    ja-latn: Figurehead Original Soundtrack
  type: game
- catalog: N/A
  date: '2007-04-13'
  link: album/8650
  reprint: false
  roles:
  - Composer
  titles:
    en: Gaiflame PC Engine SoundTracks
    ja: ガイフレーム PCエンジン・サウンドトラックス
    ja-latn: Gaiflame PC Engine SoundTracks
  type: game
- catalog: N/A
  date: '2007-04-13'
  link: album/8653
  reprint: false
  roles:
  - Composer
  titles:
    en: Gaia no Monshou PC Engine SoundTracks
    ja: ガイアの紋章 PCエンジン・サウンドトラックス
    ja-latn: Gaia no Monshou PC Engine SoundTracks
  type: game
- catalog: N/A
  date: '2007-05-25'
  link: album/18439
  reprint: false
  roles:
  - Composer
  titles:
    en: Yoshinoya Original Soundtrack
    ja: 吉野家 オリジナルサウンドトラック
    ja-latn: Yoshinoya Original Soundtrack
  type: game
- catalog: INTIR-010~1
  date: '2007-08-30'
  link: album/4629
  reprint: false
  roles:
  - Music
  titles:
    en: 'Rockman ZX Advent Soundtrack: ZXA Tunes'
    ja: ロックマンゼクス アドベント サウンドトラック ZXA TUNES
    ja-latn: 'Rockman ZX Advent Soundtrack: ZXA Tunes'
  type: game
- catalog: INTIR-012
  date: '2008-04-30'
  link: album/8002
  reprint: false
  roles:
  - Music
  titles:
    en: Rockman ZX Soundsketch "ZX Gigamix
    ja: 「ロックマンゼクス」 サウンドスケッチ "ZX GIGAMIX
    ja-latn: Rockman ZX Soundsketch "ZX Gigamix
  type: game
- catalog: LACA-9133~6
  date: '2008-12-10'
  link: album/10436
  reprint: false
  roles:
  - Composer
  titles:
    en: SUPER ROBOT WARS Z ORIGINAL SOUND TRACK
    ja: スーパーロボット大戦Z オリジナルサウンドトラック
    ja-latn: Super Robot Taisen Z Original Sound Track
  type: game
- catalog: EMCA-0007
  date: '2008-12-28'
  link: album/11141
  reprint: false
  roles:
  - Vocals
  - Composer
  - Recording Engineer
  - Lyricist
  - Arranger
  - Liner Notes
  titles:
    en: Makenai ze! Gunleon / Koji Hayama
    ja: 負けないぜ! ガンレオン / 葉山宏治 スーパーロボット大戦オリジナル音源集
    ja-latn: Makenai ze! Gunleon / Hayama Koji Super Robot Taisen Original Ongenshuu
  type: game
- catalog: GWS0003
  date: '2009-03-18'
  link: album/11779
  reprint: false
  roles:
  - Composer
  titles:
    en: Rei Cho Aniki Original Soundtrack
    ja: 零超兄貴 オリジナルサウンドトラック
    ja-latn: Rei Cho Aniki
  type: bonus
- catalog: CF00-20017
  date: '2009-03-19'
  link: album/15834
  reprint: false
  roles:
  - Composer
  titles:
    en: Hitsujikun nara Kiss Shite Ageru ☆ Original Soundtrack & Drama CD
    ja: 羊くんならキスしてあげる☆ オリジナルサウンドトラック&ドラマCD
    ja-latn: Hitsujikun nara Kiss Shite Ageru ☆ Original Soundtrack & Drama CD
  type: bonus
- catalog: N/A
  date: '2009-03-27'
  link: album/12739
  reprint: false
  roles:
  - Composer
  titles:
    en: Cho Aniki Original Soundtrack
    ja: 超兄貴　オリジナル・サウンドトラック
    ja-latn: Cho Aniki Original Soundtrack
  type: game
- catalog: CVAS-001
  date: '2009-05-16'
  link: album/13153
  reprint: false
  roles:
  - Arranger (as Aniki Koji Hayama兄貴・葉山宏治)
  - Liner Notes (as Aniki Koji Hayama兄貴・葉山宏治)
  titles:
    en: KE-TSU-I kizunajigokutachi [ARRANGE ALBUM]
    ja: ケツイ～絆地獄たち～　アレンジアルバム
    ja-latn: KE-TSU-I kizunajigokutachi [ARRANGE ALBUM]
  type: game
- catalog: N/A
  date: '2009-05-29'
  link: album/13696
  reprint: false
  roles:
  - Composer
  titles:
    en: Kaizou Choujin Shubibinman 2 -Aratanaru Teki- ORIGINAL SOUNDTRACKS
    ja: 改造町人シュビビンマン2 -新たなる敵- ORIGINAL SOUNDTRACKS
    ja-latn: Kaizou Choujin Shubibinman 2 -Aratanaru Teki- ORIGINAL SOUNDTRACKS
  type: game
- catalog: N/A
  date: '2009-06-26'
  link: album/14244
  reprint: false
  roles:
  - Composer
  titles:
    en: Kaizou Choujin Shubibinman 3 -Ikai no Princess- ORIGINAL SOUNDTRACKS
    ja: 改造町人シュビビンマン3 -異界のプリンセス- ORIGINAL SOUNDTRACKS
    ja-latn: Kaizou Choujin Shubibinman 3 -Ikai no Princess- ORIGINAL SOUNDTRACKS
  type: game
- catalog: MJCD-20165
  date: '2009-07-22'
  link: album/13463
  reprint: false
  roles:
  - Composer
  titles:
    en: Yuusha 30 Sou ORIGINAL SOUNDTRACK
    ja: 勇者30奏 オリジナル・サウンドトラック
    ja-latn: Yuusha 30 Sou ORIGINAL SOUNDTRACK
  type: game
- catalog: N/A
  date: '2009-07-31'
  link: album/14828
  reprint: false
  roles:
  - Composer
  titles:
    en: MOTOROADER MC ORIGINAL SOUNDTRACKS
    ja: モトローダーMC オリジナル・サウンドトラックス
    ja-latn: MOTOROADER MC ORIGINAL SOUNDTRACKS
  type: game
- catalog: N/A
  date: '2009-08-28'
  link: album/15147
  reprint: false
  roles:
  - Composer
  titles:
    en: M -Eien no Love Song- PC-Engine Original Soundtracks
    ja: M −永遠のラブソング− PCエンジン オリジナル・サウンドトラックス
    ja-latn: M -Eien no Love Song- PC-Engine Original Soundtracks
  type: game
- catalog: N/A
  date: '2009-09-30'
  link: album/15580
  reprint: false
  roles:
  - Composer
  titles:
    en: Koji Hayama PC-Engine Early Works
    ja: 葉山宏治 PCエンジン アーリーワークス
    ja-latn: Koji Hayama PC-Engine Early Works
  type: game
- catalog: CVAS-003
  date: '2009-11-26'
  link: album/14992
  reprint: false
  roles:
  - Arranger (as Aniki Koji Hayama兄貴・葉山宏治)
  - Liner Notes (as Aniki Koji Hayama兄貴・葉山宏治)
  titles:
    en: Mushihimesama Double Arrange Album
    ja: 虫姫さまダブルアレンジアルバム
    ja-latn: Mushihimesama Double Arrange Album
  type: bonus
- catalog: N/A
  date: '2009-12-07'
  link: album/16334
  reprint: false
  roles:
  - Composer
  titles:
    en: Aniki to Watashi ~ Sono Nijyunen GOLDEN BEST Vol.1/Koji Hayama
    ja: 『兄貴と私～その２０年』　GOLDEN BEST Vol,1　／　葉山宏治
    ja-latn: Aniki to Watashi ~ Sono Nijyunen GOLDEN BEST Vol.1/Koji Hayama
  type: works
- catalog: N/A
  date: '2010-02-25'
  link: album/16728
  reprint: false
  roles:
  - Arranger
  titles:
    en: No Fate! - only the power of will - Chotto Chaos na Tokuten CD
    ja: のーふぇいと!- only the power of will - ちょっとカオスな特典CD
    ja-latn: No Fate! - only the power of will - Chotto Chaos na Tokuten CD
  type: bonus
- catalog: SQEX-10201
  date: '2010-09-15'
  link: album/20047
  reprint: false
  roles:
  - Composer
  titles:
    en: SQUARE ENIX BATTLE TRACKS Vol.3 SQUARE 1999-2000
    ja: スクウェア・エニックス バトル・トラックスVol.3 SQUARE 1999-2000
    ja-latn: SQUARE ENIX BATTLE TRACKS Vol.3 SQUARE 1999-2000
  type: game
- catalog: CVST-0019
  date: '2011-02-24'
  link: album/22079
  reprint: false
  roles:
  - Composer (as Aniki Koji Hayama兄貴・葉山宏治)
  titles:
    en: MUCHIMUCHIPORK! & PinkSweets W Sound Track
    ja: むちむちポーク！&ピンクスゥイーツ Wサウンドトラック
    ja-latn: MUCHIMUCHIPORK! & PinkSweets W Sound Track
  type: bonus
- catalog: GMPCD-3
  date: '2015-10-25'
  link: album/55546
  reprint: false
  roles:
  - Composer
  titles:
    en: Game Music Prayer III
    ja: Game Music Prayer III
    ja-latn: Game Music Prayer III
  type: game
- catalog: LACA-9465~8
  date: '2016-09-21'
  link: album/60196
  reprint: false
  roles:
  - Composer
  titles:
    en: 'Super Robot Wars OG: The Moon Dwellers Original Soundtrack'
    ja: スーパーロボット大戦OG ムーン・デュエラーズ オリジナルサウンドトラック
    ja-latn: 'Super Robot Wars OG: The Moon Dwellers Original Soundtrack'
  type: game
- catalog: 01-0021
  date: '2018-04-21'
  link: album/77241
  reprint: false
  roles:
  - Arranger (as Aniki Koji Hayama兄貴・葉山宏治)
  titles:
    en: Ketsui ~Kizunajigokutachi~ 15th Anniversary DIE-Kizunajigoku CD-BOX
    ja: ケツイ～絆地獄たち～ 15周年記念 DIE絆地獄 CD-BOX
    ja-latn: Ketsui ~Kizunajigokutachi~ 15th Anniversary DIE-Kizunajigoku CD-BOX
  type: bonus
- catalog: N/A
  date: 2019-02
  link: album/84938
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: Koji Hayama ☆ Super Live
    ja: Koji Hayama ☆ Super Live
    ja-latn: Koji Hayama ☆ Super Live
  type: game
- catalog: N/A
  date: '2020-02-15'
  link: album/96336
  reprint: false
  roles:
  - Composer
  titles:
    en: ☆ Koji Hayama ★ Aniki no Sainou ☆
    ja: ☆ 葉山宏治 ★ 兄貴の才能 ☆
    ja-latn: ☆ Koji Hayama ★ Aniki no Sainou ☆
  type: bonus
- catalog: CPCA-10470~5
  date: '2020-03-25'
  link: album/95719
  reprint: false
  roles:
  - Composer
  titles:
    en: ROCKMAN ZERO & ZX SOUND BOX
    ja: ロックマン ゼロ&ゼクス サウンドBOX
    ja-latn: ROCKMAN ZERO & ZX SOUND BOX
  type: game
- catalog: LMLP140
  date: 2026-02
  link: album/152819
  reprint: false
  roles:
  - Music
  titles:
    en: MEGA MAN ZERO/ZX THE COLLECTION
    ja: MEGA MAN ZERO/ZX THE COLLECTION
    ja-latn: MEGA MAN ZERO/ZX THE COLLECTION
  type: game
featured_on:
- catalog: FSCA-10131
  date: '2000-05-17'
  link: album/11492
  reprint: false
  roles:
  - Original Music
  titles:
    en: SUPER ROBOT WARS α ORIGINAL SCORE III ~Soldier Chapter~
    ja: スーパーロボット大戦α ORIGINAL SCORE III ～戦士の章～
    ja-latn: Super Robot Taisen Alpha Original Score III ~Senshi no Shou~
  type: game
- catalog: N/A
  date: '2001-10-21'
  link: album/13716
  reprint: false
  roles:
  - Composer
  titles:
    en: Attack the Game Music 2
    ja: Attack the Game Music 2
    ja-latn: Attack the Game Music 2
  type: doujin
- catalog: SBFR-0007
  date: '2006-08-13'
  link: album/9551
  reprint: false
  roles:
  - Original Composer
  titles:
    en: S:Shooting Evolution -Blazing Up-
    ja: S:Shooting Evolution -Blazing Up-
    ja-latn: S:Shooting Evolution -Blazing Up-
  type: doujin
- catalog: DMCD-0014
  date: '2012-04-30'
  link: album/32584
  reprint: false
  roles:
  - Composer
  titles:
    en: Newtype Destroyer
    ja: Newtype Destroyer
    ja-latn: Newtype Destroyer
  type: doujin
- catalog: FPCR-021
  date: '2015-04-26'
  link: album/53861
  reprint: false
  roles:
  - Composer
  titles:
    en: FMPSG021 -reboot-
    ja: FMPSG021 -reboot-
    ja-latn: FMPSG021 -reboot-
  type: doujin
- catalog: EZCD-MA08
  date: '2019-12-31'
  link: album/97052
  reprint: false
  roles:
  - Composer
  titles:
    en: PC Engine Sound memorial
    ja: PC エンジン サウンドメモリアル
    ja-latn: PC Engine Sound memorial
  type: doujin
- catalog: EZCD-MA09
  date: '2020-08-08'
  link: album/127559
  reprint: false
  roles:
  - Original Composer
  titles:
    en: PC Engine Sound memorial CORE
    ja: PCエンジン サウンドメモリアル CORE
    ja-latn: PC Engine Sound memorial CORE
  type: doujin
info:
  Birthdate: Aug 4, 1965
  Birthplace: Yokohama City, Kanagawa, Japan
  Credited works:
  - 76 albums in database
  - 33 products in database
  Credits:
  - 75 composer
  - 33 arranger
  - 19 lyricist
  - 18 music
  - 18 performer
  - 11 vocals
  - 5 sound effects
  - 5 liner notes
  - 4 guitar
  - 4 sound
  - 3 main theme composer
  - 3 bgm composer
  - 3 music data
  - 2 mixing engineer
  - 2 ending theme composer
  - 2 special thanks
  - 2 producer
  - 2 recording engineer
  - 2 original composer
  - 1 sound effects production
  - 1 sound creator
  - 1 opening cutscene composer
  - 1 song composer
  - 1 computer programmer
  - 1 voice
  - 1 remixer
  - 1 commentary
  - 1 original music
  - 1 interviewee
  - 1 programmer
  - 1 songwriter
  - 1 cast
  - 1 script planner
  - 1 writer
  Former Organizations:
  - link: org/626
    names:
      en: GeOnDan
      ja: ゲ音団
  - link: org/4863
    names:
      en: CUBE Co.,Ltd
      ja: 株式会社キューブ
  Variations:
  - names:
      en: Kohji Hayama
  - names:
      en: Kouji Hayama
link: artist/416
meta:
  added_date: 2007-10-25T03:38
  edited_date: 2018-01-12T02:34
  fetched_date: 2026-01-11T16:37
  ttl: 86400
  visitors: 20449
name: Koji Hayama
name_real: 葉山 宏治
name_trans: はやま こうじ
notes: No notes available for this artist.
picture_full: https://media.vgm.io/artists/61/416/416-1216127972.jpg
picture_small: https://thumb-media.vgm.io/artists/61/416/416-1216127972.jpg
sex: male
type: Individual
vgmdb_link: https://vgmdb.net/artist/416?perpage=99999
websites:
  Official: []
  Personal: []
