Average Co-Inventor Count = 2.46
ph-index = 4
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. Educational Testing Service (2 from 222 patents)
2. Ncr Corporation (1 from 4,491 patents)
3. Paradyne Corporation (1 from 284 patents)
4 patents:
1. 10380333 - Multi-factor authentication for determining whether a user is authorized to take an examination
2. 9721080 - Systems and methods for multi-factor authentication for administration of a computer-based test
3. 7310671 - System and method for a trouble shooting portal to allow temporary management access to a communication device
4. 5752251 - Method and apparatus for recovering aborted file (or data) transmission