Average Co-Inventor Count = 3.30
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. Hella Kgaa Hueck and Company (3 from 221 patents)
3 patents:
1. 8870420 - Street lamp
2. 8764233 - Street lighting device and installation method
3. 8657466 - Street lighting device