Average Co-Inventor Count = 1.50
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 (3 from 731 patents)
3 patents:
1. 10901234 - Electronic frame for optical device and optical device comprising such a frame
2. 10859853 - Electronic frames
3. 10670883 - Electronic spectacle frame