Sony is a Japanese multinational conglomerate corporation founded in 1946. It has headquarters in Tokyo, Japan and operates in electronics, video games, film, music and financial services. Sony has expanded globally through joint ventures and acquisitions, including purchasing CBS Records and Columbia Pictures. It focuses on imaging technology, gaming, mobile technology and reducing television losses. Major competitors include Samsung, Canon and Panasonic. Sony continues innovating with new technologies like 4K HDR televisions, digital cameras and voice recorders.