Atari is a term in a Japanese board game called Go and has an equivalent meaning to saying Chess in a Chess Game.
The Atari logo - the Fuji - represents the Fujiama mountain in Japan.
The company nearly ended up being called Syzygy, the straight line configuration of three celestial bodies. But that name was already taken by a Californian roofing company. Atari Inc. was founded in 1972 by Nolan Bushnell.
First product was the arcade game PONG, which started the multi-billion industry of computer games we have today. Atari is also responsible for classics like Space Invaders, Pac-Man, Centipede and Pole Position.