TECMO KOEI 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 TECMO KOEI HOLDINGS CO., LTD., headquartered in Yokohama, Japan. TECMO is best known for the Dead or Alive« and Ninja Gaiden«series. KOEI is best known for its Dynasty Warriors« and Samurai Warriors« franchises. On April 1, 2009, TECMO KOEI HOLDINGS CO., LTD was established as a result of the TECMO, LTD. and KOEI Co., Ltd. merger.