FUJITSU LIMITED is a Japan-based company engaged in the information technology (IT) business. It has three segments. The Technology Solution segment manufactures and sells products such as main frame servers, UNIX servers, storage systems, various types of software, network management systems and optical transport systems, as well as the provision of system integrations services, network services and system support services. The Ubiquitous Product Solution segment offers products such as personal computers, mobile phones, compact hard disk drives (HDDs), as well as optical transmitter and receiver modules. The Device Solution segment manufactures and sells large scale integrations (LSIs), semiconductor packages, relays and connectors, among others. Effective October 1, 2009, TOSHIBA CORPORATION completed the acquisition of hard disk businesses from the Company. TOSHIBA CORPORATION took over the Company's hard disk development, manufacture, development, research and sale business units.