Average Co-Inventor Count = 3.00
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 (3 from 722 patents)
3 patents:
1. D1104133 - Spectacle frames
2. D1103267 - Spectacle frames
3. D1103268 - Spectacle frames