Average Co-Inventor Count = 6.43
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. 3M Innovative Properties Company (2 from 14,087 patents)
2 patents:
1. 10114162 - Optical film stack with retardance layer having in-plane retardance of greater than 2.0 microns
2. 8547637 - Optical film composite for brightness enhancement including a birefringent polymer layer