Average Co-Inventor Count = 3.27
ph-index = 3
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. (3 from 31,040 patents)
3 patents:
1. 4947078 - Sealed beam headlamp
2. 4794495 - Headlamp assembly
3. 4669035 - Headlamp aim cap