Matsushita patents granted on 09 March 2010

5 US patents granted on 09 March 2010 and assigned to Matsushita

1 7,675,681 Display device
2 7,675,602 Board device and method for manufacturing display element
3 7,675,522 Video signal processing circuit, control method of video signal processing circuit, and integrated circuit
4 7,675,508 Liquid crystal display apparatus
5 7,673,701 Power tool having control means for monitoring screw tightening operations