Average Co-Inventor Count = 3.00
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. Hamburger Stahlwerke Gmbh (2 from 9 patents)
2 patents:
1. 4374585 - Apparatus for the direct reduction of iron ores
2. 4248623 - Process for the direct reduction of iron ores