Average Co-Inventor Count = 14.01
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Mp3.com, Inc. (2 from 2 patents)
2. Universal Music Group, Inc. (1 from 7 patents)
3 patents:
1. 7376581 - System and method for providing access to electronic works
2. 6609105 - System and method for providing access to electronic works
3. 6496802 - System and method for providing access to electronic works