Average Co-Inventor Count = 5.73
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. Sola International Holdings Limited (5 from 50 patents)
5 patents:
1. 6343861 - Myopia lens
2. 6155681 - Progressive lens
3. 6074062 - Progressive lens elements and methods for designing and using same
4. 5867246 - Enhanced ophthalmic lens
5. 5861935 - Progressive lens elements and methods for designing and using same