Average Co-Inventor Count = 6.00
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. Novellus Systems Incorporated (1 from 993 patents)
2. Speedfam-ipec Corporation (1 from 151 patents)
2 patents:
1. 7229339 - CMP apparatus and method
2. 6309279 - Arrangements for wafer polishing