Average Co-Inventor Count = 9.00
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. Sola International Holdings Limited (2 from 50 patents)
2. Carl Zeiss Vision Australia Holdings Limited (16 patents)
2 patents:
1. 6074062 - Progressive lens elements and methods for designing and using same
2. 5861935 - Progressive lens elements and methods for designing and using same