Average Co-Inventor Count = 3.00
ph-index = 3
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. Basf Corporation (3 from 2,036 patents)
3 patents:
1. 5552458 - Passification of optically variable pigment and waterborne coating
2. 5545677 - Passification of optically variable pigment and waterborne coating
3. 5498781 - Passification of optically variable pigment and waterborne coating