Average Co-Inventor Count = 1.67
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. Gm Global Technolgoy Operations, Inc. (2 from 31,024 patents)
2 patents:
1. 4856848 - Manual headrest
2. 4264390 - Method and apparatus for making pipe sections in materials