Average Co-Inventor Count = 2.40
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 Cie Generale D'optique (1 from 87 patents)
2 patents:
1. 6929368 - Method for determining the suitability of a transparent moulded polymer article for coloring without defects and resulting article
2. 4222747 - Polishing material for ophthalmic lenses