Mitsubishi Motors Corporation is the sixth largest automaker in Japan and the seventeenth largest in the world by global vehicle production. It is part of the Mitsubishi keiretsu, formerly the biggest industrial group in Japan, and was formed in 1970 from the automotive division of Mitsubishi Heavy Industries. The company has its headquarters in Minato, Tokyo. Mitsubishi's automotive origins date back as far as 1917, when the Mitsubishi Shipbuilding Co., Ltd. introduced the Model A, Japan's first series-production automobile.