Average Co-Inventor Count = 1.00
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 Generation Systems Inc. (1 from 6 patents)
1 patent:
1. 6372983 - Enclosure for electrical components installed in locations where a flammable gas or vapor is expected to be present