Matsushita Electric Industrial Co., Ltd. has become Panasonic Corporation, and its ticker symbol on the New York Stock Exchange has been changed from MC to PC. The name change also took effect for some of the group companies that used the names Matsushita or National. Along with the name change, Panasonic is working on the brand changeover from National to Panasonic in Japan, aiming to complete the transition by the end of March 2010.When it was first established in 1918, the company was known as Matsushita Electric Housewares Manufacturing Works, which was changed to Matsushita Electric Manufacturing Works in 1929. The company used the name Matsushita Electric Industrial Co., Ltd. after its incorporation as a joint stock corporation in 1935. While the company used the National and Panasonic brand names over a long period, it decided in 2003 to position Panasonic as its global brand with the slogan "Panasonic ideas for life".