Average Co-Inventor Count = 5.00
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. Penumbra Foundation (2 from 2 patents)
2 patents:
1. 12468215 - Photographic color image using black and white emulsion
2. 11467483 - Photographic color image using black and while emulsion