The Color TV-Game consoles were produced jointly by Nintendo Research & Development 2 (R&D2) and Mitsubishi Electronics. Nintendo had no prior knowledge of manufacturing electronics, so they enlisted the help of Mitsubishi to mass-produce them. Mitsubishi previously assisted Nintendo in production of "EVR Race", which provided a good relationship between the two companies. For the first two consoles, Color TV-Game 6 and Color TV-Game 15, Nintendo acquired a license from Magnavox that allowed them to produce their own "Pong"-esque game consoles. Magnavox created the original concept for "Pong" for their Magnavox Odyssey console, which inspired Atari to create a similar game for arcades. This angered Magnavox, which sued Atari and other "Pong" console manufacturers for infringing on its rights. Nintendo president Hiroshi Yamauchi specified that the consoles had to be produced quickly and with cheaper parts to lower production costs. He wanted the systems to be cheap for the consumer to purchase to give them an edge over their rivals. The TV-Game 6 and 15 required little production time due to their simplicity. Mitsubishi made minor changes and corrections to the systems before they were released.