Average Co-Inventor Count = 3.00
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. Sperian Eye & Face Protection, Inc. (1 from 27 patents)
2. Christian Dalloz Sunoptics S.a.s (0 patent)
1 patent:
1. 7419261 - Non-corrective lenses with improved peripheral vision