Average Co-Inventor Count = 2.67
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. 6990274 - Apparatus and method for adjusting the spectral response of an optical waveguide grating
2. 6788851 - Apparatus and method for adjusting the spectral response of an optical waveguide grating