Canon Inc is a Japan-based company mainly engaged in business activities ranging from development and production to sales and service in the fields of printing, medical, imaging, and industrial. The Company consists of four business segments. The Printing Business Unit segment provides digital continuous ledger printers and digital cut sheet printers. The Medical Business Unit segment provides diagnostic ultrasound systems and X-ray systems. The Imaging Business Unit segment is engaged in the provision of interchangeable lens digital cameras, interchangeable lenses, and compact digital cameras. The Industrial Business Unit segment is engaged in the provision of semiconductor lithography equipment. The Company also provides handy terminals and document scanners.