Average Co-Inventor Count = 1.20
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. Other (3 from 832,912 patents)
3 patents:
1. 5321765 - Method and apparatus for verifying identity
2. 5289253 - Pattern scanning device
3. 4947443 - Method and apparatus for verifying identity