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 (3 from 2,176 patents)
3 patents:
1. 5561190 - Two-phase acidic aqueous compositions for diffusion transfer products
2. 5455148 - Two-phase acidic aqueous compositions for diffusion transfer products
3. 5427899 - Two-phase acidic aqueous compositions