Average Co-Inventor Count = 2.14
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. 6821661 - Hydrophilic anode gas diffusion layer
2. 6774637 - Method of qualifying at least a portion of a fuel cell system and an apparatus employing same
3. 6696190 - Fuel cell system and method