IBM Japan - IBM Japan is the Japanese arm of US-based computer services, software, and hardware giant International Business Machines. The subsidiary provides a wide range of technology and business services, and it sells such computer hardware as network servers, mainframes, and semiconductors. Services include consulting, network design, application development, and systems integration. Business software products for such applications as data security, business analytics, e-commerce, and enterprise resource management are also a significant part of the product mix. IBM also has an robust R&D operation which generates technology patents at a rapid clip. The unit operates through about 100 offices and facilities in Japan.