Average Co-Inventor Count = 3.00
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. Ballard Power Systems Corporation (2 from 304 patents)
2. Westport Fuel Systems Canada Inc. (9 patents)
2 patents:
1. 9240598 - Seal for solid polymer electrolyte fuel cell
2. 8828617 - Seal for solid polymer electrolyte fuel cell