Average Co-Inventor Count = 4.00
ph-index = 1
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. International Business Machines Corporation (2 from 164,197 patents)
2 patents:
1. 9600653 - Providing time ratio-based password/challenge authentication
2. 8826029 - Providing time ratio-based password/challenge authentication