Average Co-Inventor Count = 2.40
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. Transitions Optical, Inc. (2 from 216 patents)
2 patents:
1. 10688522 - Method of coating a lens and lens support
2. 10493486 - Method of forming a photochromic segmented multifocal lens