Average Co-Inventor Count = 2.00
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. Degussa Aktiengesellschaft (1 from 1,678 patents)
2. Degussa - Huls Ag (1 from 145 patents)
2 patents:
1. 6379445 - Paints and printing inks containing modified carbon blacks
2. 6159275 - Paints and printing inks containing modified carbon blacks