Average Co-Inventor Count = 2.86
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 832,812 patents)
2. Kawecki Berylco Industries, Inc. (1 from 11 patents)
2 patents:
1. 5023059 - Recovery of metal values and hydrofluoric acid from tantalum and
2. 4033838 - Recovery of copper from waste nitrate liquors by electrolysis