Average Co-Inventor Count = 5.46
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. Production Resource Group Inc. (2 from 197 patents)
2 patents:
1. D773708 - Lighting device
2. 8721134 - Retrofit kit for a hanging light