Average Co-Inventor Count = 1.18
ph-index = 5
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. Alcon Laboratories, Inc. (5 from 449 patents)
5 patents:
1. 5693095 - High refractive index ophthalmic lens materials
2. 5662707 - Polymerizable yellow dyes and their use in ophthalmic lenses
3. 5543504 - Polymerizable yellow dyes and their use in ophthalmic lenses
4. 5528322 - Polymerizable yellow dyes and their use in ophthalmic lenses
5. 5470932 - Polymerizable yellow dyes and their use in opthalmic lenses