That would be the Sony Corporation a division inside the corporation created the PlayStation and the later models of the system and are working on changes for the current model
Sony was the company who made PlayStation
They started by developing the chip for the game and when the partnership with another company broke up they developed the system by theirselves
The PlayStation is developed by the Sony Computer Entertainment.It is not it's own company.
sony
Sony
It's spelled invented, and the company is Sony.
Sony
Sony
Sony
Sony.
It was Sony.
Sony