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 (2 from 832,812 patents)
2. Q Step Technologies, Inc. (1 from 3 patents)
3 patents:
1. 7377643 - Method and apparatus for eye imaging with position registration and constant pupil size
2. 5857709 - Anticounterfeit documentation with see-through and write-able hologram
3. 5267753 - Holographic bank draft