Sony Corporation is the electronics business unit and the parent company of the Sony Group. It primarily conducts strategic business planning of the group, research and development (R&D), planning, designing and marketing for electronics products.
Sony Pictures Entertainment, Inc. (SPE) is the television and film production/distribution unit of Sony. With 12.5% box office market share in 2011, the company was ranked 3rd among movie studios.Sony entered the television and film production market when it acquired Columbia Pictures Entertainment in 1989 for $3.4 billion. Columbia lives on in the Columbia TriStar Motion Picture Group, a subsidiary of SPE which in turn owns Columbia Pictures and TriStar Pictures. SPE's television division is known as Sony Pictures Television.