Average Co-Inventor Count = 4.50
ph-index = 2
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. Gemstar Developement Corporation (1 from 70 patents)
2. Epicentric, Inc. (1 from 1 patent)
2 patents:
1. 6513117 - Certificate handling for digital rights management system
2. 6327628 - Portal server that provides a customizable user Interface for access to computer networks