Konami Corporation (Japanese: コナミ株式会社, Hepburn: Konami Kabushiki-gaisha?) (TYO: 9766 NYSE: KNM) is a Japanese developer and publisher of numerous toys, trading cards, anime, tokusatsu, slot machines, arcade cabinets and video games. Konami is famous for popular video game series such as Castlevania, Contra, Dance Dance Revolution, Gradius, Frogger, Suikoden, Metal Gear, Pro Evolution Soccer, Silent Hill and Yu-Gi-Oh!. Konami is the fifth-largest gaming company in the world by revenue.
The company was founded in 1969 as a jukebox rental and repair business in Osaka, Japan, by Kagemasa Kōzuki, the still-current chairman and president. The name "Konami" is a conjunction of the names Kagemasa Kozuki (current chairman), Yoshinobu Nakama, and Tatsuo Miyasako.
Konami is currently headquartered in Tokyo and additionally operates health and physical fitness clubs in Japan. Konami also operates United States activities in El Segundo, California for video games and Paradise, Nevada for the casino gaming industry. Its Australian gaming operations are located in Sydney, Australia, and distribution of Konami's games in Australia is handled by Mindscape Australia.