Matsushita patents granted on 17 February 2009

5 US patents granted on 17 February 2009 and assigned to Matsushita

1 7,493,649 Broadcast receiving apparatus
2 7,492,683 Information recording method, information recording system, drive control unit, and semiconductor integrated circuit for recording information on a recording medium having a volume space
3 7,492,548 Hydrodynamic bearing device and disk rotating apparatus
4 7,490,952 Illumination unit and liquid crystal display device using the same
5 7,490,541 Compressor