KOEI TECMO AMERICA CORP. is a publisher of interactive entertainment software for current generation consoles, handhelds and digital download content based in Burlingame, California. The company is a wholly owned subsidiary of KOEI TECMO HOLDINGS CO., LTD., headquartered in Yokohama, Japan. TECMO is best known for the Dead or Alive, Ninja Gaiden, Tecmo Bowl and Fatal Frame series. KOEI is best known for its Dynasty Warriors and Samurai Warriors franchises. On April 1, 2009, KOEI TECMO HOLDINGS CO., LTD was established as a result of the TECMO, LTD. and KOEI Co., Ltd. merger.