Average Co-Inventor Count = 4.00
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. Voest-alpine Aktiengesellschaft (2 from 333 patents)
2 patents:
1. 4493088 - Plasma melting furnace
2. 4436290 - Plasma melting furnace arrangement