Yahoo patents granted on 19 February 2013

8 US patents granted on 19 February 2013 and assigned to Yahoo

1 8,381,262 Blocking of spoofed E-mail
2 8,381,130 Method and user interface tool for navigation through grid of scheduled items
3 8,381,096 Managing list tailoring for a mobile device
4 8,380,763 Method and system for managing cookies in web communications
5 8,380,706 Sponsored search coverage expansion
6 8,380,572 Selecting among advertisements competing for a slot associated with electronic content delivered over a network
7 8,380,570 Index-based technique friendly CTR prediction and advertisement selection
8 8,380,512 Navigation using a search engine and phonetic voice recognition