Sony's efforts to buy out Ericsson's 50% share of Sony-Ericsson joint venture in cell phone devices. Analysts estimate the value of Ericsson's stake at 1-1.25 billion euros. For Sony it is critical to become a major player in the smartphone business. Smartphones are carried by consumers everywhere and offer the opportunity to link smartphones to its online music, games and videos. The Sony-Ericsson venture failed to catch the smartphone trend early. After the launch of the Sony iPad, Sony sees significant opportunities in coming up with newer smartphone models and leveraging its technological strengths. This can only be done by having complete control over the smartphone business and having it in-house. Ericsson also sees it this way. Sony Ericsson Chief Bert Nordberg stated recently that the smartphone business has more in common with Sony than Ericsson. Ericsson's strengths are in heavy engineering and telecommunications, business to business, which are in contrast to the consumer emphasis at Sony. The Sony-Ericsson venture is barely profitable, with net profits of 90 millon euros for sales revenue of 6.3 billion euros in 2010. The strength of the Japanese yen, and the firmer valuation after the venture turned profitable in 2010- after two years of losses in 2008 and 2009- make a buyout of Ericsson's stake a good move for Sony....