Average Co-Inventor Count = 4.00
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. Polaroid Corporation (2 from 2,176 patents)
2 patents:
1. 4847383 - Photographic reagent tetrazoles
2. 4503139 - Photographic products and processes and novel compounds