Matsushita patents granted on 22 September 2009

4 US patents granted on 22 September 2009 and assigned to Matsushita

1 7,592,981 Circuit for driving self-luminous display device and method for driving the same
2 7,592,779 Charging device
3 7,592,701 Electrode structure, part mounting structure and liquid crystal display unit equipped with the part mounting structure
4 7,591,293 Device for bonding a metal on a surface of a substrate