Average Co-Inventor Count = 3.28
ph-index = 23
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. (26 from 213 patents)
2. Universal Display Corporation (25 from 1,254 patents)
3. Ppg Industries, Inc. (4 from 2,825 patents)
4. Johnson and Johnson Vision Care, Inc. (4 from 882 patents)
5. University of Southern California (3 from 1,627 patents)
6. Other (2 from 832,680 patents)
7. Ppg Industries Ohio, Inc. (2 from 1,742 patents)
63 patents:
1. 12097521 - Apparatus and method for precision coating of ophthalmic lenses with photochromic coatings
2. 11795331 - Curable photochromic compositions
3. 11525027 - Curable photochromic composition including a segmented polymer
4. 10978649 - Organic electroluminescent materials and devices
5. 10749121 - Organic electroluminescent materials and devices
6. 10403831 - Organic electroluminescent materials and devices
7. 10158090 - Organic electroluminescent materials and devices
8. 9893306 - Organic electroluminescent materials and devices
9. 9722193 - Organic electroluminescent materials and devices
10. 9548462 - Organic electroluminescent materials and devices
11. 9465234 - Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
12. 9281483 - Organic electroluminescent materials and devices
13. 9097916 - Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
14. 9065063 - Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1',2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof
15. 9028728 - Photochromic materials that include indeno-fused naphthopyrans