Average Co-Inventor Count = 1.71
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. Guardian Industries Corporation (3 from 720 patents)
3 patents:
1. 7598500 - Ion source and metals used in making components thereof and method of making same
2. 7405411 - Ion source with multi-piece outer cathode
3. 7198699 - Sputter coating apparatus including ion beam source(s), and corresponding method