Average Co-Inventor Count = 2.40
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. Sony Corporation (1 from 58,129 patents)
2. Praxair S.t. Technology, Inc. (1 from 161 patents)
3. Materials Research Corporation (1 from 106 patents)
2 patents:
1. 6582641 - Apparatus and method for making metal oxide sputtering targets
2. 5656216 - Method for making metal oxide sputtering targets (barrier powder