Average Co-Inventor Count = 4.50
ph-index = 2
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 Aktiengesellschaft (3 from 10,754 patents)
3 patents:
1. 5380871 - Preparation of halogenated indigo
2. 5109137 - Purification of indigo
3. 5075458 - Purification of indigo