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Kazumasa Koseki

Also Known As

  • Koseki Kazumasa

Game Credits


Tekken 7 (2017)   (Program Supervisors)
Pac-Man Museum (2014)   (Programmers)
Ace Combat: Assault Horizon - Enhanced Edition (2013)   (Additional Programming Support)
Ace Combat: Assault Horizon (2011)   (Additional Programming Support)
Bounty Hounds (2006)   (Hardware Support)
Namco Museum Vol. 2 (2006)   (Game Programmers)
Tekken: Dark Resurrection (2006)   (Tool Program)
Tekken 5 (2005)   (Game Program)


Tales of Zestiria (2015)   (Tech Support)
Ace Combat: Infinity (2014)   (Technical Support)
Namco Museum (2005)   (Technical Support)

Customer/Technical Support

Tales of Berseria (2017)   (Tech Support)
Tales of Symphonia: Dawn of the New World (2014)   (Technical Support)
Tales of Xillia 2 (2014)   (Tech Support)
Tales of Xillia (2013)   (Tech Support)
Namco Museum Vol. 2 (2006)   (Technical Support)
Namco Museum Battle Collection (2005)   (Technical Support)


JoJo's Bizarre Adventure: Eyes of Heaven (2016)   (Support)
Ace Combat: Joint Assault (2010)   (Program Advisors)
Deadstorm Pirates (2010)   (Technical Support)
Tekken 6 (2009)   (Technical Support)


Ace Combat 7: Skies Unknown (2019)   (Special Thanks)
Tales of Hearts R (2013)   (Special Thanks)
Deadstorm Pirates (2010)   (Special Thanks to)
Namco Museum Essentials (2009)   (Special Thanks)
Noby Noby Boy (2009)   (Special Thanks)
SoulCalibur IV (2008)   (Special Thanks To)
Ace Combat X: Skies of Deception (2006)   (Special Thanks)
Death by Degrees (2005)   (Special Thanks)
Ridge Racer (2004)   (Special Thanks)


Summer Lesson: Miyamoto Hikari - Seven Days Room (2016)   (Technical Supervisor)

Developer Biography

There is no biography on file for this developer.