Atari is a brand of video game consoles and home computers from the 1970s and 1980s. It is widely considered to be the company that popularized the home video game industry.
The Atari logo, resembling the Japanese Mountain Fuji and also known as "Fuji", was created by George Opperman. The logotype uses a font called SF Atarian System by ShyFoundry. You can download the font for free from the Fonts Used Section.