Average Co-Inventor Count = 7.00
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. Mannesmann Aktiengesellschaft (1 from 1,150 patents)
2. Metallgesellschaft Aktiengesellschaft (1 from 642 patents)
1 patent:
1. 4490168 - Process of making steel by melting sponge iron in an electric arc furnace