Average Co-Inventor Count = 2.00
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. Magyar Szenhidrogenipari Kutato-/fejleszto Intezet (2 from 9 patents)
2 patents:
1. 4770350 - Process for intensification of grinding stone coal
2. 4560485 - Fire-fighting powders