Average Co-Inventor Count = 2.00
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. Semitool, Inc. (1 from 382 patents)
2. Semitherm (1 from 3 patents)
2 patents:
1. 5590996 - Wafer transfer apparatus
2. 5575611 - Wafer transfer apparatus