Yahoo patents granted on 09 April 2013

5 US patents granted on 09 April 2013 and assigned to Yahoo

1 8,418,244 Instant communication with TLS VPN tunnel management
2 8,417,782 Universal calendar event handling
3 8,417,683 System and method for presenting geolocated relevance-based content
4 8,417,657 Methods and apparatus for computing graph similarity via sequence similarity
5 8,417,573 Sponsored listing recommendation engine