Average Co-Inventor Count = 5.00
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. Essilor International (2 from 716 patents)
2 patents:
1. 12468176 - Lens element
2. 12436409 - Lens element