wireless equipment and its first vacuum tubes.

After the war, the Matsushita group, largely having been split into MEI and MEW by the dissolution imposed by the occupation force, imperfectly 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