Average Co-Inventor Count = 2.40
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 Ag (2 from 70 patents)
2 patents:
1. 6942938 - System and method for cooling a fuel cell arrangement
2. 6723460 - Fuel cell system and method for operating the fuel cell system