Average Co-Inventor Count = 1.33
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. Other (1 from 832,880 patents)
2. Varian, Inc. (1 from 235 patents)
2 patents:
1. 6388385 - Corrugated style anode element for ion pumps
2. 6264433 - Sputter ion pump