Average Co-Inventor Count = 5.46
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. Plug Power Inc. (2 from 176 patents)
2 patents:
1. 7099787 - Technique and apparatus to measure a fuel cell parameter
2. 6686080 - Fuel cell systems