Average Co-Inventor Count = 4.44
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. Degussa Aktiengesellschaft (2 from 1,678 patents)
2 patents:
1. 5256196 - Precipitated silica paste
2. 4807819 - Process and apparatus for granulating powdery materials