Denso. DENSO Corporation (株式会社デンソー, Kabushiki-Gaisha Densō) is a global automotive components manufacturer headquartered in the city of Kariya, Aichi Prefecture, Japan. After becoming independent from Toyota Motors, it was founded as Nippon Denso Co. Ltd. (日本電装株式会社, Nippon Densō Kabushiki-Gaisha) in 1949.