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. Other (1 from 832,718 patents)
2. Evonik Operations Gmbh (597 patents)
3. Pfeifer & Langen Gmbh & Co. Kg (1 patent)
4. Van Hees, Inc. (0 patent)
5. Pfeifer & Langen Kommanditgesellschaft (0 patent)
1 patent:
1. 6447822 - Method for preparing and using B-starch