Matsushita patents granted on 09 June 2009

4 US patents granted on 09 June 2009 and assigned to Matsushita

1 7,545,628 Display panel and display device
2 7,545,475 Liquid crystal display device having particular interval between spacer groups
3 7,545,371 Display device and imaging method
4 7,543,546 Plasma processing apparatus, method for producing reaction vessel for plasma generation, and plasma processing method