Average Co-Inventor Count = 3.00
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. Accumulatorenwerke Hoppecke Carl Zoellner & Sohn Gmbh & Co. Kg (2 from 18 patents)
2 patents:
1. 6488982 - Method of producing separator materials
2. 6254818 - Method of treating elastic materials that are provided with silica embedments