Average Co-Inventor Count = 4.50
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. International Business Machines Corporation (3 from 164,197 patents)
3 patents:
1. 6992014 - Method and apparatus for etch rate uniformity control
2. 6634371 - Apparatus for removing contaminants from a workpiece using a chemically reactive additive
3. 6355111 - Method for removing contaminants from a workpiece using a chemically reactive additive