Matsushita patents granted on 03 August 2010

4 US patents granted on 03 August 2010 and assigned to Matsushita

1 7,770,082 Semiconductor integrated circuit and test method therefor
2 7,768,509 Liquid crystal display device and driving method of the liquid crystal display device
3 7,766,613 Pump and liquid supply system
4 7,765,816 Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same