Average Co-Inventor Count = 4.00
ph-index = 2
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. Signet Armorlite, Inc. (2 from 18 patents)
2 patents:
1. 5886764 - Polyester resin-based high index ophthalmic lenses having improved
2. 5694195 - Polyester resin-based high index ophthalmic lenses having improved