Average Co-Inventor Count = 6.00
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. Daimler Chrysler Ag (1 from 2,614 patents)
2. Ballard Power Systems Corporation (1 from 304 patents)
2 patents:
1. 6662566 - Process and apparatus for two-stage supercharging of process air for a fuel cell
2. 6349535 - Process and apparatus for two-stage supercharging of process air for a fuel cell