Average Co-Inventor Count = 3.79
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. Microsoft Technology Licensing, LLC (3 from 54,763 patents)
3 patents:
1. 9424240 - Annotations for electronic content
2. 7570768 - Systems, structures, and methods for decrypting encrypted digital content when a rights management server has been decommissioned
3. 7562395 - System and method for accessing protected content in a rights-management architecture