 During World War II the company operated factories in Japan and other parts of Asia which produced electrical components and appliances such as light fixtures, motors, electric irons, wireless equipment and its first vacuum tubes.After the war, Panasonic regrouped as a "Keiretsu" and began to supply the post-war boom in Japan with radios and appliances, as well as bicycles.Matsushita's brother-in-law, Toshio Iue, founded Sanyo as a subcontractor for components after World War II.