Average Co-Inventor Count = 4.00
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. Trw Limited (3 from 3,081 patents)
2. Northrop Grumman Corporation (0 patent)
3 patents:
1. 6182221 - Remote identity verification technique using a personal identification device
2. 6041410 - Personal identification fob
3. 6038666 - Remote identity verification technique using a personal identification