Average Co-Inventor Count = 2.67
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. Plug Power Inc. (2 from 176 patents)
2 patents:
1. 6504339 - Technique and apparatus to control the charging of a battery using a fuel cell
2. 6395415 - Sensor mount assembly for a fuel cell system