Average Co-Inventor Count = 1.33
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. Ballard Power Systems Ag (2 from 70 patents)
2 patents:
1. 6926978 - Fuel cell installation with a gas generation system and a fuel cell system
2. 6559551 - Starter device for fuel cell system