Advantest and its consolidated subsidiaries manufacture and sell semiconductor and component test system products and mechatronics-related products such as test handlers and device interfaces. Co. also engages in research and development activities and provides maintenance and support services associated with these products. Co.'s principal business segments are semiconductor and component test system; mechatronics system; and services, support and others. Product lines include test systems for memory semiconductors and non memory semiconductors; test handlers, mechatronic-applied products, and for handling semiconductor devices.