Average Co-Inventor Count = 6.43
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. Ballard Power Systems Corporation (1 from 304 patents)
2. Trojan Technologies Inc. (1 from 98 patents)
2 patents:
1. 7166850 - Fluid mixing device
2. 6663997 - Oxidant flow field for solid polymer electrolyte fuel cell