Average Co-Inventor Count = 2.50
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. (3 from 176 patents)
3 patents:
1. 6774637 - Method of qualifying at least a portion of a fuel cell system and an apparatus employing same
2. 6756150 - Fuel cell having a non-electrolytic layer
3. 6599650 - Fuel cell sealant design