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. Veba Oel Ag (2 from 24 patents)
2 patents:
1. 4388173 - Method and apparatus for distillation of oil shale
2. 4302353 - Method for the production of synthesis gas