Average Co-Inventor Count = 6.37
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. Plug Power Inc. (4 from 177 patents)
4 patents:
1. 7166378 - Technique to regulate an efficiency of a fuel cell system
2. 7166379 - Technique to regulate an efficiency of a fuel cell system
3. 6774637 - Method of qualifying at least a portion of a fuel cell system and an apparatus employing same
4. 6650968 - Technique to regulate an efficiency of a fuel cell system