Philips Electronics patents granted on 13 August 2013

4 US patents granted on 13 August 2013 and assigned to Philips Electronics

1 8,509,507 Perfusion imaging
2 8,509,352 Integer spreading rotation matrices for QAM constellations and its decode-remodulate-forward cooperative communication strategy
3 8,507,929 Semiconductor light emitting device including graded region
4 8,507,899 Electric transport component, method of manufacturing the same, as well as electro-optical device and opto-electrical device