Average Co-Inventor Count = 2.00
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. Sulzer Hexis Ag (2 from 22 patents)
2 patents:
1. 6569554 - Fuel cell battery with a stack of planar cells
2. 6432567 - Fuel cell battery with afterburning at the periphery of a cell stack