Average Co-Inventor Count = 6.00
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. Tonen Corporation (1 from 141 patents)
2. Petroleum Energy Center (1 from 61 patents)
1 patent:
1. 5075277 - Steam reforming catalyst for hydrocarbon and method for manufacturing