Average Co-Inventor Count = 4.00
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. Gm Global Technolgoy Operations, Inc. (1 from 30,963 patents)
2. Ballard Material Products Inc. (1 from 2 patents)
1 patent:
1. 8172061 - Clutch friction material and method of forming same