Average Co-Inventor Count = 3.75
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 (1 from 731 patents)
2. Essilor International (Compagnie Generale D'optique) (1 from 719 patents)
2 patents:
1. 10520757 - Method for verifying conformity with a predetermined criterion of use of a spectacle frame and associated device
2. 8523353 - Method of calculating a setpoint for beveling or grooving an ophthalmic lens