Average Co-Inventor Count = 4.71
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. Evonik Carbon Black Gmbh (2 from 12 patents)
2. Other (1 from 832,912 patents)
3. Degussa - Huls Ag (1 from 145 patents)
4 patents:
1. 9493659 - Carbon black, method for the production thereof, and use thereof
2. 8124682 - Rubber mixture
3. 6251983 - Inversion carbon blacks and method for their manufacture
4. 6056933 - Inversion carbon blacks and method for their manufacture