Average Co-Inventor Count = 5.09
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 (compagnie Generale D'optique) (1 from 719 patents)
2. Essilor International (1 from 716 patents)
2 patents:
1. 11045085 - Optometry device and method of performing a test using such an optometry device
2. 9535270 - Method for measuring the geometric morphometric parameteres of a person wearing glasses