Average Co-Inventor Count = 1.00
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. Arlanxeo Deutschland Gmbh (85 patents)
2. Columbian Chemicals Company (38 patents)
3. Birla Carbon U.s.a., Inc. (1 patent)
0 patent: