Toshiba, which traces its roots to the 19th century, has been one Japan's major manufacturers and worldwide brands for decades. It products include nuclear power plants, semiconductors, computers, appliances, industrial equipment, elevators and more. While consumers might be familiar with Toshiba products such as laptop PCs, the company generates most of its revenue from industrial offerings such as energy transmission and distribution systems, solar power technology, and systems for hydro and thermal power. Toshiba is one of the major makers of computer memory chips. About 60% of the company's revenue comes from its international customers.