Average Co-Inventor Count = 5.67
ph-index = 6
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. (13 from 213 patents)
13 patents:
1. 10619098 - Ultraviolet light absorbers
2. 9034219 - Photochromic compounds and compositions
3. 8920928 - Photochromic compounds and compositions
4. 8828507 - Alignment facilities for optical dyes
5. 8779168 - Lactone compounds and materials made therefrom
6. 8623238 - Mesogenic stabilizers
7. 8613868 - Mesogenic stabilizers
8. 8545984 - Photochromic compounds and compositions
9. 8431039 - Mesogenic stabilizers
10. 8349210 - Mesogenic stabilizers
11. 8003005 - Alignment facilities for optical dyes
12. 7910020 - Liquid crystal compositions comprising mesogen containing compounds
13. 7910019 - Mesogen containing compounds