Panasonic Corporation is a manufacturer of electrical appliances and electronics, the largest of Japan. Originally named Miho Yamashita E. dielectric Industrial Co., Ltd. Panasonic. Founded in 1918 by Mr. Ko Nomura Sousuke Miho Yamashita, headquartered in the city like San Ma. Osaka Prefecture National product ownership, Panasonic, Tech Co. and the parent company of SANYO. Currently ranked by Forbes magazine at. The company ranked 89th largest in the world.