Olympus Corporation is engaged in medical, life science, industrial and imaging businesses. The Company operates in five segments. The Medical segment offers medical endoscopes, surgical endoscopes, ultrasound endoscopes and others. The Life and Industry segment provides biological microscopes, industrial microscopes, industrial endoscopes and non-destructive testing equipment. The Video segment provides digital cameras and sound recording machines. The Information Communication segment is engage in the sale of mobile devices for cell phones and others. The Others segment is engaged in the provision of biomaterials, and the development of systems. As of March 31, 2012, the Company had 198 subsidiaries and 10 associated companies. On September 28, 2012, the Company sold a subsidiary.