Average Co-Inventor Count = 2.67
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. W.c. Heraeus Gmbh (1 from 149 patents)
2. W.c. Heraeus Gmbh & Co Kg (1 from 44 patents)
2 patents:
1. 6793784 - Tube target
2. 4844746 - Method of producing a tantalum stock material of high ductility