As of today, October 1st Matsushita Electric Industrial is called Panasonic. The electronics company made the name change announcement back in January.
Matsushita Electrical Appliances Co., Ltd. was established in 1918. While the company was using 'National' and 'Panasonic' brand names over the period, it decided in 2003 to unify a global brand into 'Panasonic' with a brand slogan 'Panasonic ideas for life.'
Upon a company name change, the company will undertake its brand name change from the 'National' brand, which is used for home appliances and housing equipment in Japan, to the 'Panasonic' brand by the end of fiscal 2010, ending March 31, 2010.

About Panasonic Best known for its Panasonic brand name, Matsushita Electric Industrial Co., Ltd. is a worldwide leader in the development and manufacture of electronic products for a wide range of consumer, business, and industrial needs. Based in Osaka, Japan, the Company recorded consolidated net sales of US$77.19 billion for the year ended March 31, 2007.
Via the Panasonic site.