Hitachi Medical Corporation is principally engaged in the development, manufacture and sale of medical equipment and medical information systems. It operates in four business segments. Medical Equipment segment is engaged in the manufacture, sale and maintenance of magnetic resonance (MR) imaging systems, x-ray computerized tomography (CT) scanner systems, x-ray systems, ultrasonic therapy systems and nuclear medical systems, among others. Medical Information System segment is involved in the manufacture, sale and maintenance of medical image management systems, hospital information systems, integrated medical check-up systems and medical operation systems. General Purpose Analysis Equipment segment offers radiation measurement equipment and radial ray (energy) management equipment. Medical Analysis Equipment provides laboratory testing and dispensing equipment. It is also engaged in the logistical management business. On February 26, 2014, it delisted from stock exchange.