Google patents granted on 21 April 2009

5 US patents granted on 21 April 2009 and assigned to Google

1 7,523,099 Category suggestions relating to a search
2 7,523,096 Methods and systems for personalized network searching
3 7,523,087 Determining and/or designating better ad information such as ad landing pages
4 7,523,081 Method and apparatus for producing a signature for an object
5 7,523,016 Detecting anomalies