Sony, founded by Masaru Ibuka and Akio Morita in 1945 , is a Japanese multinational electronics corporation. Its headquarter is located in Kōnan Minato, Tokyo, Japan. Its diversified business is primarily focused on the electronics, game, entertainment and financial services sectors. In 1955, it launched Japan’s first radio, the TR-55. In 2012, it became one of Fortune 500 companies.