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. Carl Zeiss Vision International Gmbh (2 from 225 patents)
2 patents:
1. 12109769 - Method for manufacturing spectacle lenses according to a prescription
2. 9939660 - Gradient polarized ophthalmic lens