Average Co-Inventor Count = 5.00
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. Air Products and Chemicals, Inc. (1 from 3,191 patents)
1 patent:
1. 5451385 - Control of exhaust emissions from methane-fueled internal combustion