Amazon patents granted on 28 May 2013

11 US patents granted on 28 May 2013 and assigned to Amazon

1 8,453,051 Dynamic display dependent markup language interface
2 8,452,995 Universal serial bus low power idle mode
3 8,452,874 Request routing processing
4 8,452,870 Monitoring domain allocation performance
5 8,452,819 Methods and apparatus for optimizing resource utilization in distributed storage systems
6 8,452,797 Personalized recommendations based on item usage
7 8,452,785 Item search using normalized item attributes
8 8,452,727 Service for accepting and selectively exposing user-generated lists
9 8,451,600 Heat spreading chassis for rack-mounted computer system
10 8,451,344 Electronic devices with side viewing capability
11 8,451,238 Touch-screen user interface