Average Co-Inventor Count = 5.44
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. Transitions Optical, Inc. (7 from 216 patents)
7 patents:
1. 12076951 - Method of making optical articles having gradient light influencing properties
2. 12055741 - Optical articles and method of preparing the same
3. 11714220 - Optical article with gradient light influencing properties and method of making the same
4. 11256014 - Optical articles and method of preparing the same
5. 11199653 - Optical article with gradient light influencing properties and method of making the same
6. 9030740 - Photochromic article having at least partially crossed polarized photochromic-dichroic and fixed-polarized layers
7. 5391327 - Photochromic compositions of improved fatigue resistance