Yahoo patents granted on 10 April 2012

10 US patents granted on 10 April 2012 and assigned to Yahoo

1 8,156,421 Analysis of database performance reports for graphical presentation of summary results
2 8,156,240 Mechanism for supporting user content feeds
3 8,156,189 Creating rich experiences in mail through attachments
4 8,156,135 Method and system for progressive disclosure of search results
5 8,156,111 Identifying and expanding implicitly temporally qualified queries
6 8,156,053 Automated tagging of documents
7 8,156,032 Auction-pricing many substitute products
8 8,156,002 Contextual ad matching strategies that incorporate author feedback
9 8,155,998 Statistical credibility metric for online question answerers
10 8,155,986 Collapsible itineraries