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. Tecmachine (2 from 6 patents)
2. H.e.f. (42 patents)
2 patents:
1. 7632383 - Vacuum sputtering cathode
2. 7235162 - Cathode for vacuum sputtering treatment machine