Ericsson (Swedish telecommunications company)

Telefonaktiebolaget L. M. Ericsson Group (Telefonaktiebolaget L. M. Ericsson) is a world-renowned manufacturer of telecommunication systems and equipment founded in 1876 and headquartered in Stockholm, Sweden.In the 1990s, Ericsson ranked third in the global cellular phone market, and in 2001, Ericsson was merged with Japan's Sony to form Sony Ericsson, selling its stake to Sony in 2012 to focus on providing wireless networks and mobile telecommunication equipment. In 2012, it sold its shareholding to Sony, focusing on the provision of wireless networks and mobile telecommunication equipment. Ericsson holds a large number of patents in 2G, 3G and 4G. The Ericsson Group was ranked 333rd in the 2013 Fortune 500 ranking.