Average Co-Inventor Count = 3.00
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. Eid Electronic Identification Systems Ltd. (2 from 3 patents)
2. Canadian National (1 from 1 patent)
3 patents:
1. 5132687 - Electronic identification system
2. 4937581 - Electronic identification system
3. 4870419 - Electronic identification system